Words That Start With FLU

flush

Noun : A group of birds that have suddenly started up from undergrowth, trees, etc.

Verb : (transitive) To cause to take flight from concealment.

Verb : (intransitive) To take suddenly to flight, especially from cover.

flux

Noun : The act of flowing; a continuous moving on or passing by, as of a flowing stream.

Noun : A state of ongoing change.

Noun : A chemical agent for cleaning metal prior to soldering or welding.

fluid

Noun : Any substance which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli's principle; a liquid, gas or plasma.

Noun : A liquid (as opposed to a solid or gas).

Noun : (specifically, medicine, colloquial, typically in the plural) Intravenous fluids.

fluke

Noun : A lucky or improbable occurrence, with the implication that the occurrence could not be repeated.

Verb : To obtain a successful outcome by pure chance.

Verb : (snooker) To fortuitously pot a ball in an unintended way.

flutter

Verb : (intransitive) To flap or wave quickly but irregularly.

Verb : (intransitive) Of a winged animal: to flap the wings without flying; to fly with a light flapping of the wings.

Verb : (intransitive, aerodynamics) To undergo divergent oscillations (potentially to the point of causing structural failure) due to a positive feedback loop between elastic deformation and aerodynamic forces.

flu

Noun : Influenza.

Noun : (informal) Stomach flu.

flurry

Noun : A light, brief snowfall.

Noun : A sudden and brief blast or gust; a light, temporary breeze.

Noun : A shower of dust, leaves etc. brought on by a sudden gust of wind.

flute

Noun : A woodwind instrument consisting of a tube with a row of holes that produce sound through vibrations caused by air blown across the edge of the holes, often tuned by plugging one or more holes with a finger; the Western concert flute, a transverse side-blown flute of European origin.

Noun : (colloquial) A recorder, also a woodwind instrument.

Noun : A glass with a long, narrow bowl and a long stem, used for drinking wine, especially champagne.

fluctuate

Verb : (intransitive) To vary irregularly; to swing.

Verb : (intransitive) To undulate.

Verb : (intransitive) To be irresolute; to waver.

fluffy

Adjective : Covered with fluff.

Adjective : Light; soft; airy.

Adjective : (colloquial) Warm and comforting.

fluff

Noun : Anything light, soft or fuzzy, especially fur, hair, feathers.

Noun : Anything inconsequential or superficial.

Noun : (informal) A lapse or mistake, especially a mistake in an actor's lines.

fluent

Adjective : That flows; flowing, liquid.

Adjective : (linguistics) Able to use a language accurately, rapidly, and confidently – in a flowing way.

Noun : (mathematics, obsolete) A continuous variable, especially one with respect to time in Newton's Method of Fluxions.

flummox

Verb : (intransitive) To confuse; to fluster; to flabbergast.

Verb : (intransitive, uncommon) To give in, to give up, to collapse.

flue

Noun : A pipe or duct that carries gaseous combustion products away from the point of combustion (such as a furnace).

Noun : An enclosed passageway in which to direct air or other gaseous current along.

Noun : (obsolete, countable and uncountable) A woolly or downy substance; down, nap; a piece of this.

flustered

Adjective : Confused, befuddled, in a state of panic by having become overwrought with confusion.

flummoxed

Adjective : Confused, perplexed or flustered.

fluck

fluorescent

Adjective : Of or relating to fluorescence.

Adjective : Exhibiting or produced by fluorescence.

Adjective : Emitting visible light as a result of the excitation of phosphors by ultraviolet photons produced by the passage of an electrical current through an inert gas infused with mercury.

flub

Noun : (informal) An error; a mistake in the performance of an action.

Verb : (transitive) To goof, fumble, or err in the performance of an action.

fluster

Verb : (dated) To make hot and rosy, as with drinking.

Verb : (by extension) To confuse; befuddle; throw into panic by making overwrought with confusion.

Verb : (intransitive) To be in a heat or bustle; to be agitated and confused.

flume

Noun : A ravine or gorge, usually one with water running through.

Noun : An open channel or trough used to direct or divert liquids.

Verb : (transitive) To transport (logs of wood) by floating them along a water-filled channel or trough.

flunk

Verb : (US, transitive, intransitive) Of a student, to fail a class; to not pass.

Verb : (US, transitive) Of a teacher, to deny a student a passing grade.

Verb : (US, dated, informal) To shirk (a task or duty).

fluctuation

Noun : A motion like that of waves; a moving in this and that direction; an irregular rising and falling.

Noun : A wavering; unsteadiness.

Noun : In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.

flung

Noun : An act of throwing, often violently.

Noun : An act of moving the limbs or body with violent movements, especially in a dance.

Noun : An act or period of unrestrained indulgence.

flunky

Noun : (slang, derogatory) An individual who always agrees with their superior or employer.

Noun : One performing menial or miscellaneous duties.

Noun : Alternative form of flunkey [(derogatory) An underling; a liveried servant or a footman; servant, retainer – a person working in the service of another (especially in the household).]

flummery

Noun : A custard; any of several bland, gelatinous foodstuffs, usually made from stewed fruit and thickened with oatmeal, cornstarch or flour.

Noun : (historical, specifically) A slightly tart, jelly-like food of Welsh origin, made from extensively boiling oats, then boiling down the liquid extracted from it.

Noun : Empty or meaningless talk, especially when used to flatter.

fluency

Noun : The quality of smoothness of flow.

Noun : (linguistics) The quality of being fluent in a language; A person's command of a particular language.

Noun : The quality of consistently applying skill correctly in the manner of one well-practiced at it, requiring little deliberate thought to perform without mistakes

flushed

Adjective : Red in the face because of embarrassment, exertion, etc.

flump

Verb : (intransitive) To move or fall heavily, or with a dull sound.

Verb : (transitive) To drop something heavily or with a dull sound.

Noun : The dull sound so produced.

fluence

Noun : (obsolete) Fluency

Noun : (physics) A measure of particle flux (or that of a pulse of electromagnetic radiation)

Noun : A magical or mysterious force; hypnotic power; energy.

fluoride

Noun : (chemistry) Any salt of hydrofluoric acid; for example, potassium fluoride.

Noun : (chemistry) A binary compound of fluorine and another element or radical.

fluctuating

Adjective : Subject to irregular changes in quantity or quality.

Noun : A fluctuation.

fluorine

Noun : (uncountable) The chemical element (symbol F) with an atomic number of 9. It is the lightest of the halogens, a pale yellow-green, highly reactive gas that attacks all metals.

Noun : (chemistry, countable) A single atom of this element.

fluffer

Noun : Someone or something that fluffs (in various senses).

Noun : (pornography) One who arouses male pornographic actors before filming.

Noun : (UK) One who is employed to clean the tracks in the tunnels of the London Underground.

fluorescence

Noun : (physics) The emission of light (or other electromagnetic radiation) by a material when stimulated by the absorption of radiation or of a subatomic particle.

Noun : The light so emitted.

flurried

Adjective : Agitated, confused.

fluidity

Noun : (uncountable) The state of being fluid rather than viscous

Noun : (countable) A measure of the extent to which something is fluid. The reciprocal of its viscosity.

Noun : The quality of being fluid or free-flowing

fluvial

Adjective : Of, pertaining to, inhabiting, or produced by the action of a river or stream.

fluoroscopy

Noun : (medicine) Examination using a fluoroscope.

fluttering

Noun : Rapid back-and-forth waving or oscillation.

fluctuant

Adjective : That fluctuates or causes fluctuation.

Adjective : (medicine) Used to describe a fluid-filled structure, such as an abscess, that produces a wave-like motion when palpated.

fluted

Adjective : Having flutes or grooves, either for decoration or to trim weight.

Adjective : (Ireland, slang) Drunk; intoxicated.

flushing

Noun : The act by which something is flushed.

Noun : Rushing of blood to the skin's surface, especially on the face, as happens under various physiological circumstances (e.g., in embarrassment or stress or during menopause).

Noun : (UK) A heavy, coarse cloth manufactured from shoddy.

fluently

Verb : In a fluent manner, as expressing oneself easily, especially in a foreign language.

Verb : In a fluent manner, as having graceful movements.

Verb : In a fluent manner, as literally flowing.

fluxion

Noun : (obsolete, mathematics) The derivative of a function.

Noun : (rare or archaic) The action of flowing.

Noun : (rare or archaic) A difference or variation.

fluor

Noun : (dated) The mineral fluorite.

Noun : (obsolete) A flow or flux.

Noun : (obsolete, in the plural) Menstrual periods.

fluffernutter

Noun : A sandwich made with peanut butter and marshmallow fluff, most common in New England.

fluoro

Noun : (Australia, colloquial) A fluorescent light.

Adjective : (chiefly Australia) Fluorescent.

flubber

Noun : A rubbery polymer formed by cross-linking of polyvinyl alcohol with a boron compound, used as a plaything or to demonstrate physical properties.

Noun : One who flubs; a goof, a person who makes errors while speaking.

fluctuates

Verb : (intransitive) To vary irregularly; to swing.

Verb : (intransitive) To undulate.

Verb : (intransitive) To be irresolute; to waver.

flummoxing

Adjective : Confusing, flustering, flabbergasting.

flukey

Adjective : lucky

Adjective : unstable, prone to rapid and unpredictable changes

fluky

Adjective : Alternative spelling of flukey [lucky]

flunkey

Noun : (derogatory) An underling; a liveried servant or a footman; servant, retainer – a person working in the service of another (especially in the household).

Noun : An unpleasant, snobby or cringeworthy person.

Noun : (US, finance, slang, obsolete) One easily deceived in buying stocks; an inexperienced and unwary jobber.

fluoroscope

Noun : (now rare) A device used to measure the fluorescence of a solution.

Noun : (medicine) A device used to view continuous live X-ray images on a fluorescent screen.

Verb : (transitive) To examine with a fluoroscope.

fluming

Noun : A ravine or gorge, usually one with water running through.

Noun : An open channel or trough used to direct or divert liquids.

Verb : (transitive) To transport (logs of wood) by floating them along a water-filled channel or trough.

fluorite

Noun : (mineralogy) A widely occurring mineral (calcium fluoride), of various colours, used as a flux in steelmaking, and in the manufacture of glass, enamels and hydrofluoric acid.

fluctuated

Verb : (intransitive) To vary irregularly; to swing.

Verb : (intransitive) To undulate.

Verb : (intransitive) To be irresolute; to waver.

fluctuations

Noun : A motion like that of waves; a moving in this and that direction; an irregular rising and falling.

Noun : A wavering; unsteadiness.

Noun : In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.

fluting

Adjective : Making a sound like a flute.

Noun : (architecture, sculpture) A decoration consisting of parallel, normally vertical, flutes (grooves) incised into the surface.

Noun : The act of making such grooves.

flurries

Adjective : Agitated, confused.

fluty

Adjective : Resembling the sound of a flute.

Noun : A surname.

fluidally

Verb : In a fluidal manner.

flubbing

Noun : (informal) An error; a mistake in the performance of an action.

Verb : (transitive) To goof, fumble, or err in the performance of an action.

fluxation

Noun : flow; flowing

flugelhorn

Noun : A brass instrument resembling a cornet but with a wider, conical bore, and usually with three valves, in the same B-flat pitch as many trumpets and cornets but with a more deeply conical mouthpiece than those. A bugle with valves.

fluoresce

Verb : (intransitive, physics) To emit electromagnetic radiation, especially visible light, when absorbing radiation of some other wavelength.

Verb : (intransitive) Of colours, to be very bright; to be so bright as to appear to radiate as a light source.

flug

flutist

Noun : Alternative form of flautist [One who plays the flute.]

fluorocarbon

Noun : (chemistry) Any derivative of a hydrocarbon in which every hydrogen atom has been replaced by fluorine.

fluinity

fluidly

Verb : In a fluid manner; smoothly.

fluminous

Adjective : flowing, fluent (of rivers)

fluidic

Adjective : Of or pertaining to a fluid.

Adjective : Of or pertaining to fluidics.

fluxed

Noun : The act of flowing; a continuous moving on or passing by, as of a flowing stream.

Noun : A state of ongoing change.

Noun : A chemical agent for cleaning metal prior to soldering or welding.

flusher

Noun : The mechanical part of a toilet that causes the toilet bowl's contents to be sucked down the drain.

Noun : (US, politics) A worker for a political campaign who encourages voters to vote on Election Day.

flustrate

Verb : (colloquial) To fluster or frustrate.

fluoxetine

Noun : (pharmacology) A synthetic compound which inhibits the uptake of serotonin in the brain and is taken to treat depression.

flutey

Adjective : Alternative spelling of fluty [Resembling the sound of a flute.]

fluter

Noun : A flute player.

Noun : One who makes grooves or flutings.

fluorescein

Noun : (chemistry) Any of a class of yellow xanthene dyes which are visible when highly diluted; used forensically to detect traces of blood, and in analytical chemistry as an indicator in silver nitrate titrations

flum

Noun : A ravine or gorge, usually one with water running through.

Noun : An open channel or trough used to direct or divert liquids.

Verb : (transitive) To transport (logs of wood) by floating them along a water-filled channel or trough.

fluttered

Adjective : Confused, befuddled, flustered.

flugel

fluids

Noun : Any substance which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli's principle; a liquid, gas or plasma.

Noun : A liquid (as opposed to a solid or gas).

Noun : (specifically, medicine, colloquial, typically in the plural) Intravenous fluids.

flurrying

Noun : A brief blast or shower, as of snow.

fluttery

Adjective : That flutters; fluttering

flubbed

Noun : (informal) An error; a mistake in the performance of an action.

Verb : (transitive) To goof, fumble, or err in the performance of an action.

fluorosis

Noun : (medicine) Any adverse condition due to an excess of fluoride.

fluey

Adjective : (obsolete) downy; fluffy

Adjective : As if suffering from influenza.

fluviology

Noun : The study of rivers.

flumen

Noun : (astronomy, geology) In planetary geology, any of the river-like features on Saturn's moon Titan.

flukan

Noun : Alternative form of flucan [(mining, archaic) Soft clay-like matter found in or surrounding the vein.]

fluorspar

Noun : (mineralogy) A halide mineral composed of calcium fluoride.

fluavil

Noun : (organic chemistry) A hydrocarbon extracted from gutta-percha as a yellow resinous substance.

flutes

Noun : A woodwind instrument consisting of a tube with a row of holes that produce sound through vibrations caused by air blown across the edge of the holes, often tuned by plugging one or more holes with a finger; the Western concert flute, a transverse side-blown flute of European origin.

Noun : (colloquial) A recorder, also a woodwind instrument.

Noun : A glass with a long, narrow bowl and a long stem, used for drinking wine, especially champagne.

flummadiddle

Noun : (US) A baked main course pudding consisting of stale bread, pork fat, molasses, and spices including cinnamon and allspice. It was a part of early American cuisine, especially in New England.

Noun : Something completely nonsensical or ridiculous.

Noun : Cheap, worthless frills.

fluorochrome

Noun : Any of various fluorescent dyes used to stain biological material before microscopic examination

fluviatile

Adjective : Of, pertaining to, or produced by rivers; fluvial.

fluidram

Noun : The dram (unit of volume).

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