f로 시작하는 명사의 영영풀이

[f로 시작하는 명사의 영영풀이]

 

face

noun : the front part of the head that includes the eyes, nose, mouth, and cheeks

fall

noun : the season between summer and winter when temperatures get cooler and days get shorter

family

noun : people who live together, such as parents, children, and other relatives

fan

noun : a machine with rotating blades that cools or moves air

fan

noun : an admirer

farm

noun : land used to grow crops or raise animals

farmer

noun : a person who owns or works on a farm

fat

noun : an oily substance from plants or animals that people need in small amounts

father

noun : a male parent

fawn

noun : a young deer

fear

noun : a feeling caused by danger, pain, or trouble

feather

noun : one of the soft, fluffy parts of a bird that covers its body and makes up its tail

feathers

noun : the soft, fluffy parts of a bird that cover its body and make up its tail

February

noun : the second month of the year

feeling

noun : the sense of touch or being touched by something

feelings

noun : emotions, such as love, happiness, anger, or sadness

feet

noun : the bottom parts of the legs, which are used for standing and walking

fence

noun : a divider of posts, rails, or wire built around a field or yard

fever

noun : a body temperature that is higher than normal

field

noun : a large, flat area where contests are held

field

noun : an area of flat land with few or no trees

fifteen

noun : the number between fourteen and sixteen; 15

file

noun : a long, thin tool with a rough surface used to smooth a hard material

fin

noun : a flat, thin part of a fish or marine mammal that is used for swimming

finger

noun : any one of the five parts of the hand, including the thumb

fingers

noun : the five long, thin parts of the hand, including the thumb

fire

noun : the burning of something, which makes a bright light, heat, and smoke

fire

noun : the flame when something is burned

fire truck

noun : a truck that carries firefighters and equipment to a large fire

firefly

noun : a kind of beetle that can light up

fish

noun : an animal with a backbone, fins, and gills that lives in water

fist

noun : a hand with the fingers curled in the palm

five

noun : the number between four and six; 5

flag

noun : a piece of cloth with a design or image that stands for a country, state, or group

flake

noun : a small, flat piece of something

flea

noun : a small insect without wings that drinks blood

floor

noun : the bottom surface of a room

flour

noun : a powder used for baking that is made from a grain

flower

noun : the part of a plant that grows seeds

flute

noun : an instrument made of a long, thin tube with holes that are covered by fingertips or keys

fly

noun : a small flying insect that has two wings

foal

noun : a newborn or young horse

fog

noun : a cloud on the ground

food

noun : something people and other animals eat

foot

noun : the bottom part of the leg, which is used for standing and walking

football

noun : an American game played by two teams with an oval ball on a field

forest

noun : a large area where many trees grow

fork

noun : a tool that has pointed parts on one end and is used for eating food

four

noun : the number between three and five; 4

fourteen

noun : the number between thirteen and fifteen; 14

fox

noun : a medium-sized mammal related to a dog that has a bushy tail

French fries

noun : strips of fried potatoes

Friday

noun : the sixth day of the week

friend

noun : a person one likes and trusts

frog

noun : a small, cold-blooded animal with long back legs that can live on land and in water

front

noun : the most forward part of something

frost

noun : tiny pieces of ice that form on things when the temperature drops below freezing

frown

noun : an unhappy look in which the mouth curves down on the sides

fruit

noun : the part of a flowering plant that contains one or more seeds and is often eaten

fun

noun : a time of enjoyment or amusement

fur

noun : the hair that covers the body of most mammals

 

fable

noun : a short story that often has animals as characters and teaches a moral or lesson

fabric

noun : cloth, usually made by weaving

face value

noun : a number or phrase that appears on a coin or note telling its worth

facets

noun : flat surfaces of a cut gemstone

facilities

noun : buildings or areas with equipment that makes certain tasks easier

fact

noun : something that is true and can be proven

factor

noun : a number that is multiplied by another number to give a product

factor

noun : a fact or circumstance that contributes to a result

factory

noun : a building where goods are made mainly by machines

fad

noun : a widespread enthusiasm for something that is only popular for a short period of time

failure

noun : lack of success

fair

noun : a public event for trade, entertainment, or education

fairness

noun : justice and equality; the condition or state of following rules or expectations

fairy

noun : a small, playful, imaginary creature in human form that has magical powers

fairy tale

noun : a short children's story that contains magic and good and evil characters

faith

noun : complete trust in something; a strong religious belief

fake

noun : a thing that is not what it appears to be

falcon

noun : a bird of prey with long, pointed wings that is active during the day

fame

noun : the state of being well known or talked about a lot

family tree

noun : a chart that shows the relationship of family members over generations

famine

noun : a major food shortage in a large area

fangs

noun : long, sharp, and sometimes hollow teeth

fantasy

noun : a story in which the imagination makes the impossible seem possible

fare

noun : the money paid by a person to ride on a bus, train, or taxi

farewell

noun : good-bye

farmhouse

noun : a house on a farm where a farming family lives

fashion

noun : popular or current styles or customs of appearance or behavior

fastball

noun : a pitch in baseball that is thrown as fast as a pitcher can throw it

fat

noun : a nutrient in food that your body stores up to give you energy when you need it

fate

noun : an outcome or series of events in a one’s life that is beyond his or her control

Father's Day

noun : a holiday held on the third Sunday in June to celebrate dads

fathom

noun : a unit of measure equal to 2 yards, used mainly to measure water depth

fatigue

noun : great tiredness or weariness from mental and/or physical activity

faucet

noun : a valve at the end of a pipe, where the flow of a liquid or gas can be controlled

fault

noun : responsibility for a mistake, accident, or other bad outcome

fault

noun : a crack in Earth's crust along which movement occurs

favor

noun : a special act of kindness; an attitude of approval

feast

noun : a large meal in celebration of a special event

feat

noun : an amazing action or accomplishment

feature

noun : a trait, characteristic, or part of something

fee

noun : a set charge for something

feedback

noun : a response to a statement, process, or event

feeler

noun : a movable part of some animals that sticks out from the body and is used for touching

feet

noun : standard units of measure each equal to 12 inches

feline

noun : a member of a group of mammals that are closely related to cats

Felix Baumgartner

noun : BASE jumper and first person to break the speed of sound outside of a vehicle (1969-present)

fellow

noun : an informal word for a boy or man

female

noun : a plant or animal that can be fertilized by the seed of a male

feminist

noun : a person who believes in and supports feminism and the rights of women

fencing

noun : a competitive sport in which two people fight against each other with swords

fender

noun : a guard over each wheel of a vehicle that blocks the splashing of water or mud

fern

noun : a leafy plant without flowers or seeds

ferret

noun : a long-bodied mammal in the weasel family that is kept as a pet

ferry

noun : a ship or boat that takes passengers, cargo, and sometimes cars a short distance across water

fertilization

noun : the process of combining male and female cells to create a new animal or plant

fertilizer

noun : a natural or chemical substance that promotes plant growth

festival

noun : a celebration or an organized series of cultural events

festivity

noun : a party or festival

feuding

noun : fighting between two groups

fiancé

noun : a man who is engaged to be married

fiancée

noun : a woman who is engaged to be married

fiasco

noun : a ridiculous situation; a disaster

fib

noun : a statement that is not true

fiber

noun : food substances that cannot be digested but which help the process of digestion

fiberglass

noun : a dense, strong material made of thin threads of glass, sometimes embedded in a material similar to plastic

fiction

noun : a made-up story; something told or written that is a product of the writer's imagination

fiddle

noun : a violin

fief

noun : a piece of land that a lord gave to a vassal in exchange for loyalty and protection

field

noun : a location in a computer file or on a website that can hold data, like a blank to be filled in

field guide

noun : a book that helps people identify things in nature

field study

noun : a scientific research project that is conducted outside the laboratory or classroom in a natural setting

fiesta

noun : the Spanish word for "festival"

fife

noun : a small flute that makes a loud, high-pitched sound

fifty

noun : the number between forty-nine and fifty-one; 50

fig

noun : a small pear-shaped fruit with many seeds that is soft and sweet

fighter

noun : a fast, armed military airplane designed to battle other aircraft

figure

noun : a form or shape, especially a human shape

figure skating

noun : the sport of skating while spinning, jumping, and performing intricate moves on ice

filling

noun : something used to fill a space

film

noun : a thin strip of plastic or other material specially treated for taking pictures; also a movie

filter

noun : a piece of paper or other porous material used to remove something unwanted from fluids or gases that pass through it

filth

noun : dirt that is disgusting

finance

noun : the business of managing money

finch

noun : a colorful, seed-eating songbird that usually has a thick beak

findings

noun : the results of research or investigation

fine

noun : money paid as a punishment for breaking a law or rule

finery

noun : fancy clothes for special occasions

fingernail

noun : a hard covering at the end of each finger

fingerprints

noun : the unique pattern of ridges and furrows on the tips of fingers and thumbs

fink

noun : slang for a person who is mean or strongly disliked

Finland

noun : a country in northern Europe on the Baltic Sea

fir

noun : a kind of evergreen tree

fire department

noun : an organization that prevents and puts out fires

fire extinguisher

noun : a device that shoots a stream of foam, water, gas, or another material to put out a fire

fire hook

noun : a hook on a long, heavy pole used to pull down structures and create a firebreak

fire line

noun : the area at the edge of a wildland fire where firefighters work

fire station

noun : a place where fire trucks are parked when not in use

firearm

noun : a portable weapon that uses gunpowder to shoot bullets

fireball

noun : a ball of fire

fireboat

noun : a boat used for fighting fires on ships and along coasts

firebreak

noun : an area that has been cleared of fuel and flammable material

firecracker

noun : a small paper tube with explosive powder inside that makes a loud noise when set off

firefighter

noun : a person whose work is putting out fires

firehouse

noun : a building where equipment for fighting fires is kept and where firefighters work

fireplace

noun : a place built to hold a fire

firestorm

noun : a super-heated wind that carries fire over a large area

firework

noun : a device that produces light, sound, and smoke when ignited, often used for celebration

fireworks

noun : a bright or colorful display of light, sound, and smoke caused by ignited fireworks

firn

noun : pebble-sized ice crystals of compressed snow

first aid

noun : help given to an injured or sick person while he or she waits for medical treatment

First Amendment

noun : an amendment to the U.S. Constitution that prevents the government from interfering with a person's personal freedom

first lady

noun : the wife of a head of state; the leading woman in a particular profession or activity

first mate

noun : an officer on a ship who is second in command under the captain

fishery

noun : a place where fish are raised and managed for commercial reasons

fishhook

noun : a curved metal hook placed on the end of a fishing line

fishing

noun : the activity of catching or trying to catch fish

fishing pole

noun : a long, thin, round tool used with a line to catch fish

fissure

noun : a long, narrow opening or crack

fjord

noun : a narrow sea inlet between steep slopes and cliffs

Flag Day

noun : an annual holiday on June 14 in the United States that celebrates the day the U.S. flag was accepted in 1777

flagpole

noun : a pole with a pulley used for raising a flag or banner

flair

noun : a special ability to do something well

flame

noun : hot, glowing gas caused by something on fire

flannel

noun : a soft, warm fabric usually made of cotton or wool

flap

noun : a thin piece of something that is attached on one side to something else

flapjacks

noun : slang for pancakes

flash

noun : in a very short amount of time

flashback

noun : a scene from the past that interrupts the action

flashlight

noun : an electric light that runs on batteries and is easy to carry

flask

noun : a container with a narrow neck and a cap or stopper, that is designed to hold a liquid

flat weave

noun : a weaving technique in which warp and weft threads are woven together and no knotting takes place

flatbed truck

noun : a truck with a flat area for carrying large things

flavor

noun : the taste of a food or drink

flaw

noun : a fault, mark, or other imperfection

flax

noun : a plant with stringy stems that are made into fabric; also, the fabric made from the plant

fledgling

noun : a young bird that is learning to fly

fleece

noun : the woolly coat of a sheep or goat; soft, warm cloth that has a texture similar to sheep's wool

fleet

noun : a group of ships or other vehicles operating under one commander or owner

flesh

noun : the soft tissue in the body of an animal, as well as a fruit or vegetable

flexibility

noun : the ability to bend without breaking; the ability to change as outside circumstances change

flight

noun : a group of stairs between floors or levels

flight

noun : the act or process of flying in the air using wings

flight attendant

noun : a person whose job is to take care of the needs of airplane passengers during a flight

flip-flops

noun : lightweight sandals made of rubber or plastic

flippers

noun : wide, flat limbs on some sea animals such as whales, seals, and sea turtles

float

noun : a tool used for applying and smoothing plaster, grout, or cement

float

noun : a moving vehicle decorated for use in a parade

flock

noun : a group of the same type of birds

flood

noun : water that flows on land that is normally dry, sometimes caused by too much rain

floodplain

noun : low, flat land that is covered with water when streams and rivers overflow

floor

noun : a level in a building

Florida

noun : a U.S. state in the extreme southeastern corner of the country (capital: Tallahassee)

floss

noun : a soft thread used to clean between teeth

flounder

noun : a flat fish that lives in the North Atlantic and North Pacific Oceans

flow

noun : the movement of a glacier

flue

noun : a pipe that carries smoke and waste gases from a fireplace or other fuel-burning structure to the outside

fluid

noun : a liquid, such as water; a substance that is able to flow freely

fluke

noun : something, usually good luck, that happens by accident

flutter

noun : an act or instance of flapping or quivering

fly ball

noun : a baseball or softball that is hit into the air

flying fox

noun : a large fruit-eating bat with a foxlike face

flying squirrel

noun : a squirrel with folds of skin connecting its front and hind legs, which allows it to glide through the air

foam

noun : a white mass of small bubbles that form on the surface of some liquids; lightweight rubber or plastic made from turning foam into a solid

focus

noun : the center of one's attention

foe

noun : an enemy or opponent

foil

noun : a very thin, flexible sheet of metal

folder

noun : a folded piece of cardboard or heavy paper for holding loose papers; an icon on a computer screen that can be clicked on to access files or other folders

foliage

noun : plant leaves

folk band

noun : a group of people who play their culture's traditional music

folktale

noun : a made-up story that is passed down from one generation to the next

food

noun : a source of energy for living things

food bank

noun : a group or center that collects food and gives it to those who need it

food chain

noun : a group of plants and animals that all have a relationship with each other through what they eat

food pyramid

noun : a pyramid-shaped model showing recommended proportions of food types in a balanced diet

food web

noun : the interconnected feeding relationships within an ecosystem

foolishness

noun : the fact or state of being full of nonsense

foot

noun : a standard unit of measure equal to 12 inches

footage

noun : images captured by a motion picture camera

football

noun : a Wampanoag game played with two teams on a mile-long beach

foothills

noun : hills on the lower slope of a mountain range

footprints

noun : the marks left by feet or shoes on the ground or another surface

footwork

noun : the movement of feet in dancing or in certain sports

forage

noun : hay, grain, grass, or other food for plant-eating animals

force

noun : the strength or energy that moves an object

force

noun : the use of violence or military action

ford

noun : a shallow part of a body of water that may be crossed by walking

forearm

noun : the part of an arm between the elbow and wrist

forecast

noun : a prediction of expected weather conditions

forecaster

noun : a person who predicts what the weather will be in the future

forehead

noun : the part of the face above the eyebrows and below the hairline

foreigner

noun : a visitor from a foreign land

foreman

noun : a person who organizes and watches over a small group of workers

forerunner

noun : one that comes before and is followed by others

foreshock

noun : a small earthquake that occurs before a larger earthquake

forestry

noun : the science of managing and using forests for the benefit of humans

foreword

noun : a short introduction to a book written by someone other than the author

forge

noun : a very hot fire where metal is melted to be shaped by a blacksmith

forgery

noun : a false copy of a valuable object

fork

noun : a place where something such as a path, river, or road branches into two directions

forklift

noun : a small truck with a pronged platform in front that is used to lift and move heavy loads

form

noun : any of the ways in which a word is changed for different uses

format

noun : the structure or organization of data for storing, printing, or displaying information

format

noun : the form, design, or arrangement of something

formation

noun : a specific pattern formed by a group

formation

noun : something that is shaped, formed, or created

formula

noun : a group of symbols and letters that make up a statement in mathematics

formula

noun : a way of doing something that is based on methods or rules

formula

noun : letters and numbers that describe how many atoms of each element are included in one molecule or compound

fort

noun : a strong building or group of buildings that protects soldiers; a permanent military base

forties

noun : the numbers between forty and forty-nine; those years of a century or a person's life

fortitude

noun : strength; endurance

fortress

noun : a structure that has been strengthened as protection from attack

fortune

noun : chance or luck; a large amount of money; a prediction about the future printed on paper inside a cookie

fortune cookie

noun : a cookie made from a thin layer of dough that is folded and baked around a slip of paper with a message inside

forty

noun : the number between thirty-nine and forty-one; 40

fossil

noun : the remains of a plant or animal that turned to stone over time

foul

noun : an action in a sport that is against the rules and for which a player receives a penalty

foundation

noun : the beginning point and support from which something develops

founder

noun : a person who starts an organization, system, or group

Founding Fathers

noun : the group of men who helped to establish the United States and its system of government

fountain

noun : a decorative structure from which water shoots or flows out

four o'clock

noun : one hour after three o'clock

fourscore

noun : eighty

fourteenth

noun : number fourteen in a series of things

Fourth of July

noun : an annual holiday celebrating the independence of the United States; Independence Day

fowl

noun : birds, often raised or hunted for food

foxglove

noun : a plant with tall spikes and tube-shaped flowers that may be white, yellow, pink, or purple

fraction

noun : a number that names a part of a whole

fragrance

noun : a sweet or pleasant smell

frame

noun : a structure that gives strength and shape to an object

frame

noun : a structure that forms a border around and holds an object, such as picture

framework

noun : the basic makeup or structure of something

France

noun : a country in western Europe that borders the Atlantic Ocean

Franklin D. Roosevelt

noun : thirty-second U.S. president (1882-1945); creator of the New Deal

Franklin Pierce

noun : fourteenth U.S. president (1804-1869)

fraternal twins

noun : twins who are born at the same time but are not identical

fraternity

noun : a social club for male students at a college or university

freak

noun : one who is abnormal or unusual in appearance or behavior

freckle

noun : a light brownish spot on the skin

free fall

noun : a fall in which nothing slows someone or something down; the part of a parachute jump before the parachute opens

freedom

noun : the state of being free, or having the right and power to act and think as one wishes

freedom of speech

noun : the right of people to share their opinions publicly

freelancer

noun : a person who sells a service to employers without a long-term commitment

freeway

noun : a divided highway with controlled access that is designed for high-speed driving

freight

noun : goods that are transported by a ship, plane, train, or truck; the shipping charges to send the goods

French

noun : the language of France or having to do with the people or culture of France

frequency

noun : the number of waves that pass a point in a specific length of time

frequency

noun : the rate of vibration of a sound wave

fresh water

noun : water that is not high in salt content, found in most lakes, rivers, streams, and ponds

freshman

noun : a first-year student in high school, college, or a university

freshwater

noun : water that is not salty

friar

noun : a Christian monk

friction

noun : a force that slows down moving things

friction

noun : the force that builds up when two objects rub against each other

frill

noun : a layer of hair, feathers, or skin around the edge of an animal's neck; a strip of pleated or gathered material along the edge of something

fringe

noun : a decorative border of threads that may be knotted, twisted, or left loose

froglet

noun : a small frog that is changing from a tadpole to an adult

frond

noun : the divided leaf of a fern, palm, or certain other plants

front

noun : a line where a warm air mass and a cold air mass meet

front cover

noun : the thick outer protection of a book that is located before the first page

front page

noun : the first page of a newspaper, which is visible when the newspaper is folded

front yard

noun : the yard, or piece of ground, in front of a house

frontier

noun : a wilderness area at the edge of a country’s official border or settled region

frostbite

noun : damage to body parts from exposure to extreme cold

frozen food

noun : food sold in a grocery store or supermarket that is sold frozen

frustration

noun : a feeling of disappointment or distress, particularly about being unable to change something

fuchsia

noun : a very bright pink color

fudge

noun : a soft candy made of milk, sugar, butter, and chocolate

fuel

noun : any material used to make heat or power

fugitive

noun : a person who is running from something, usually legal authorities

full moon

noun : the phase of the Moon when its surface is fully lit up by the Sun

fumes

noun : gas, vapor, or smoke that has a strong smell or is dangerous to breathe

function

noun : the purpose for which something is used

fund

noun : a savings account of an organization that raises money from events or activities to use for a certain purpose

funeral

noun : a ceremony that honors one who has died

fungi

noun : plural form of "fungus"; a living thing that grows on organic material and produces spores

fungus

noun : a living thing that grows on organic material and produces spores

funnel

noun : a tube that is wider at the top than at the bottom, used to guide liquid or powder into a small opening

furnace

noun : a large appliance in which fuel is burned, which can heat buildings, burn trash, or melt raw materials

furniture

noun : moveable items placed in a room to make the room more useable, such as tables, chairs, desks, and beds

furrow

noun : a long groove cut into soil or another surface

fury

noun : violent or wild anger

futon

noun : a cushion or mattress used on the floor or in a bed, couch, or chair

future

noun : the period of time after right now

future tense

noun : a form of a verb that shows that the verb's action will take place in the future

fuzz

noun : small, soft hairs

 

F-rating

noun : a number that indicates how destructive and dangerous a tornado is

facade

noun : the front, or face, of a building

facsimile

noun : an exact copy of a piece of paper sent to another location by scanning it and sending the image through a telephone line

falling action

noun : the events in a story that lead to the resolution

false crawl

noun : when a female sea turtle comes onto land but returns to the ocean without nesting

family

noun : a group of living things that share common characteristics; a category in biology that ranks between order and genus

fanatic

noun : a person who is obsessed with something

Far East

noun : a reference to the countries of eastern Asia

fascicle

noun : a group of long muscle fibers

fascism

noun : a form of government where power is held by the government and the military

fauna

noun : animal life in general, or the animals that live in a specific region

FDA

noun : abbreviation for Food and Drug Administration, a government agency that oversees the safety of foods and medicines

feature story

noun : an article in which the main purpose is something other than news

Federal Reserve

noun : the United States banking system

Federalist

noun : a person who supported the ratification of the United States constitution or the Federalist Party

federation

noun : a large, political group made up of smaller groups united by a common goal

feminism

noun : the belief in and movement for equal rights for women

femur

noun : the thigh bone

fen

noun : a low, flat, swampy area

fermentation

noun : the process by which a substance is broken down into a simpler form, such as in the creation of cheese and vinegar

Fertile Crescent

noun : a crescent-shaped region of the Middle East that extends from the southeastern coast of the Mediterranean Sea to the northern coast of the Persian Gulf

feudalism

noun : a system of government in the European Middle Ages that included some people who owned land and others who worked the land and had duties to the landowner

fibula

noun : the outer and thinner of the two bones in the lower leg, between the knee and the ankle

field hospital

noun : a temporary structure, near a battlefield or other emergency situation, where wounded or sick people receive medical care

figurative language

noun : language used in writing to create a special effect or feeling or to make the writing more interesting

figure of speech

noun : a word or phrase not meant literally but instead used to add emphasis, imagination, or freshness to writing

figurehead

noun : a person who has a position or appearance of leadership, but no actual power

filament

noun : the stalk portion of a stamen, or male organ of a flowering plant

filament

noun : the threadlike part of a lightbulb that glows

filibuster

noun : the tactic of talking at great length to delay or prevent a vote on a bill in the U.S. Senate

first-class lever

noun : a lever in which the fulcrum is between the force and the object being lifted

firsthand information

noun : details received from an original source or through direct experience

flamingo

noun : a tall pink wading bird with a long neck and legs

Flanders

noun : a geographical region that spans parts of the present-day countries of Belgium, France, and the Netherlands

flash coloration

noun : startling color that an animal flashes to help it escape

flatulence

noun : the presence of excessive gas in the digestive tract

flint

noun : a hard, gray rock that is a type of quartz

flora

noun : plant life in general, or the plants that live in a specific region

fluency

noun : the ability to read accurately at an appropriate rate while incorporating proper pause and expression

fluorescent bulb

noun : a lightbulb in which electricity passes through a gas that reacts with the white coating inside the bulb to produce light

flying dragon

noun : a small Asian lizard that can glide by using folds of skin on its sides as wings

focal point

noun : the point at which light rays come together or from which they spread, such as on lenses and curved mirrors

foo foo

noun : a thick, pasty food from West and Central Africa, usually made by boiling and pounding cassava and yams

footnote

noun : an extra bit of information printed at the bottom of a page in some books

foreclosure

noun : the act of taking back property from someone who fails to make the required mortgage payments

foreign correspondent

noun : a journalist who reports news from a foreign country for broadcast or publication

forensic science

noun : the areas of science that apply to a court of law, often proving guilt or innocence

foreshadowing

noun : a suggestion of a future event

forest floor

noun : the bottom layer in a rainforest, on the ground

forte

noun : a note or passage played in a loud, forceful manner

fossil fuel

noun : an energy source, such as coal, oil, and natural gas, that is taken from the ground

fossil record

noun : the history of life on Earth as recorded in fossils

found object art

noun : art made from everyday objects

founder

noun : an animal used to start a captive-breeding program

four-stage life cycle

noun : a set of four steps that some insects go through as they develop: egg, larva, pupa, and adult

fourth dimension

noun : the quality of time and duration added to the spatial dimensions of length, width, and height

fowling

noun : the hunting of birds for food

fracas

noun : a noisy disturbance or quarrel

framers

noun : the people who wrote the United States Constitution

free market

noun : an economic market where individuals and businesses freely compete for customers

free verse

noun : a poem written without regular patterns of meter or rhyme

Freedom Riders

noun : groups of African Americans and white Americans who rode buses together through the South to protest segregation

French and Indian War

noun : a war between Britain and its colonies against the French and Native Americans in which Britain gained control of Canada (1754-1763)

fresco

noun : a painting on a wall or ceiling that is made of plaster

fringing reef

noun : a reef that is very close to a shoreline

fruiting body

noun : the mature part of a fungus that produces spores

fry

noun : a young salmon or trout that no longer has a yolk sac

fuel cell

noun : a device that produces electricity by combining a fuel with oxygen

fuel injection

noun : a system that delivers fuel directly to an engine's cylinders

fulcrum

noun : the point around which a lever pivots or turns

fungicide

noun : a chemical solution that kills or slows the growth of fungi

funnel cloud

noun : a funnel-shaped cloud under the bottom of a thundercloud that may turn into a tornado

fusee

noun : a very hot flare used to light a back burn

fuselage

noun : the main body of an airplane

fusion

noun : the blending of atoms that usually releases large amounts of energy