Webster's Unabridged Dictionary - Letter F - Page 42

Fluo- () A combining form indicating fluorine as an ingredient; as in fluosilicate, fluobenzene.

Fluoborate (n.) A salt of fluoboric acid; a fluoboride.

Fluoboric (a.) Pertaining to, derived from, or consisting of, fluorine and boron.

Fluoboride (n.) See Borofluoride.

Fluocerine (n.) Alt. of Fluocerite

Fluocerite (n.) A fluoride of cerium, occuring near Fahlun in Sweden. Tynosite, from Colorado, is probably the same mineral.

Fluohydric (a.) See Hydrofluoric.

Fluophosphate (n.) A double salt of fluoric and phosphoric acids.

Fluor (n.) A fluid state.

Fluor (n.) Menstrual flux; catamenia; menses.

Fluor (n.) See Fluorite.

Fluor albus () The whites; leucorrhaea.

Fluoranthene (n.) A white crystalline hydrocarbon C/H/, of a complex structure, found as one ingrdient of the higher boiling portion of coal tar.

Fluorated (a.) Combined with fluorine; subjected to the action of fluoride.

Fluorene (n.) A colorless, crystalline hydrocarbon, C13H10 having a beautiful violet fluorescence; whence its name. It occurs in the higher boiling products of coal tar, and is obtained artificially.

Fluorescein (n.) A yellowish red, crystalline substance, C20H12O5, produced by heating together phthalic anhydride and resorcin; -- so called, from the very brilliant yellowish green fluorescence of its alkaline solutions. It has acid properties, and its salts of the alkalies are known to the trade under the name of uranin.

Fluorescence (n.) That property which some transparent bodies have of producing at their surface, or within their substance, light different in color from the mass of the material, as when green crystals of fluor spar afford blue reflections. It is due not to the difference in the color of a distinct surface layer, but to the power which the substance has of modifying the light incident upon it. The light emitted by fluorescent substances is in general of lower refrangibility than the incident light.

Fluorescent (a.) Having the property of fluorescence.

Fluorescin (n.) A colorless, amorphous substance which is produced by the reduction of fluorescein, and from which the latter may be formed by oxidation.

Fluoric (a.) Pertaining to, obtained from, or containing, fluorine.

Fluoride (n.) A binary compound of fluorine with another element or radical.

Fluorine (n.) A non-metallic, gaseous element, strongly acid or negative, or associated with chlorine, bromine, and iodine, in the halogen group of which it is the first member. It always occurs combined, is very active chemically, and possesses such an avidity for most elements, and silicon especially, that it can neither be prepared nor kept in glass vessels. If set free it immediately attacks the containing material, so that it was not isolated until 1886. It is a pungent, corrosive, colorless gas. Symbol F. Atomic weight 19.

Fluorite (n.) Calcium fluoride, a mineral of many different colors, white, yellow, purple, green, red, etc., often very beautiful, crystallizing commonly in cubes with perfect octahedral cleavage; also massive. It is used as a flux. Some varieties are used for ornamental vessels. Also called fluor spar, or simply fluor.

Fluoroid (n.) A tetrahexahedron; -- so called because it is a common form of fluorite.

Fluoroscope (n.) An instrument for observing or exhibiting fluorescence.

Fluorous (a.) Pertaining to fluor.

Fluor spar () See Fluorite.

Fluosilicate (n.) A double fluoride of silicon and some other (usually basic) element or radical, regarded as a salt of fluosilicic acid; -- called also silicofluoride.

Fluosilicic (a.) Composed of, or derived from, silicon and fluorine.

Flurried (a.) Agitated; excited.

Flurries (pl. ) of Flurry

Flurry (n.) A sudden and brief blast or gust; a light, temporary breeze; as, a flurry of wind.

Flurry (n.) A light shower or snowfall accompanied with wind.

Flurry (n.) Violent agitation; commotion; bustle; hurry.

Flurry (n.) The violent spasms of a dying whale.

Flurried (imp. & p. p.) of Flurry

Flurrying (p. pr. & vb. n.) of Flurry

Flurry (v. t.) To put in a state of agitation; to excite or alarm.

Flurt (n.) A flirt.

Flushed (imp. & p. p.) of Flush

Flushing (p. pr. & vb. n.) of Flush

Flush (v. i.) To flow and spread suddenly; to rush; as, blood flushes into the face.

Flush (v. i.) To become suddenly suffused, as the cheeks; to turn red; to blush.

Flush (v. i.) To snow red; to shine suddenly; to glow.

Flush (v. i.) To start up suddenly; to take wing as a bird.

Flush (v. t.) To cause to be full; to flood; to overflow; to overwhelm with water; as, to flush the meadows; to flood for the purpose of cleaning; as, to flush a sewer.

Flush (v. t.) To cause the blood to rush into (the face); to put to the blush, or to cause to glow with excitement.

Flush (v. t.) To make suddenly or temporarily red or rosy, as if suffused with blood.

Flush (v. t.) To excite; to animate; to stir.

Flush (v. t.) To cause to start, as a hunter a bird.

Flush (n.) A sudden flowing; a rush which fills or overflows, as of water for cleansing purposes.

Flush (n.) A suffusion of the face with blood, as from fear, shame, modesty, or intensity of feeling of any kind; a blush; a glow.

Flush (n.) Any tinge of red color like that produced on the cheeks by a sudden rush of blood; as, the flush on the side of a peach; the flush on the clouds at sunset.

Flush (n.) A sudden flood or rush of feeling; a thrill of excitement. animation, etc.; as, a flush of joy.

Flush (n.) A flock of birds suddenly started up or flushed.

Flush (n.) A hand of cards of the same suit.

Flush (a.) Full of vigor; fresh; glowing; bright.

Flush (a.) Affluent; abounding; well furnished or suppled; hence, liberal; prodigal.

Flush (a.) Unbroken or even in surface; on a level with the adjacent surface; forming a continuous surface; as, a flush panel; a flush joint.

Flush (a.) Consisting of cards of one suit.

Flush (adv.) So as to be level or even.

Flushboard (n.) Same as Flashboard.

Flusher (n.) A workman employed in cleaning sewers by flushing them with water.

Flusher (n.) The red-backed shrike. See Flasher.

Flushing (n.) A heavy, coarse cloth manufactured from shoddy; -- commonly in the /

Flushing (n.) A surface formed of floating threads.

Flushingly (adv.) In a flushing manner.

Flushness (n.) The state of being flush; abundance.

Flustered (imp. & p. p.) of Fluster

Flustering (p. pr. & vb. n.) of Fluster

Fluster (v. t.) To make hot and rosy, as with drinking; to heat; hence, to throw into agitation and confusion; to confuse; to muddle.

Fluster (v. i.) To be in a heat or bustle; to be agitated and confused.

Fluster (n.) Heat or glow, as from drinking; agitation mingled with confusion; disorder.

Flusteration (n.) The act of flustering, or the state of being flustered; fluster.

Flustrate (v. t.) To fluster.

Flustration (n.) The act of flustrating; confusion; flurry.

Flute (v. i.) A musical wind instrument, consisting of a hollow cylinder or pipe, with holes along its length, stopped by the fingers or by keys which are opened by the fingers. The modern flute is closed at the upper end, and blown with the mouth at a lateral hole.

Flute (v. i.) A channel of curved section; -- usually applied to one of a vertical series of such channels used to decorate columns and pilasters in classical architecture. See Illust. under Base, n.

Flute (n.) A similar channel or groove made in wood or other material, esp. in plaited cloth, as in a lady's ruffle.

Flute (n.) A long French breakfast roll.

Flute (n.) A stop in an organ, having a flutelike sound.

Flute (n.) A kind of flyboat; a storeship.

Flute (v. i.) To play on, or as on, a flute; to make a flutelike sound.

Fluted (imp. & p. p.) of Flute

Fluting (p. pr. & vb. n.) of Flute

Flute (v. t.) To play, whistle, or sing with a clear, soft note, like that of a flute.

Flute (v. t.) To form flutes or channels in, as in a column, a ruffle, etc.

Flute a bec () A beak flute, an older form of the flute, played with a mouthpiece resembling a beak, and held like a flageolet.

Fluted (a.) Thin; fine; clear and mellow; flutelike; as, fluted notes.

Fluted (a.) Decorated with flutes; channeled; grooved; as, a fluted column; a fluted ruffle; a fluted spectrum.

Flutemouth (n.) A fish of the genus Aulostoma, having a much elongated tubular snout.

Fluter (n.) One who plays on the flute; a flutist or flautist.

Fluter (n.) One who makes grooves or flutings.

Fluting (n.) Decoration by means of flutes or channels; a flute, or flutes collectively; as, the fluting of a column or pilaster; the fluting of a lady's ruffle.

Flutist (n.) A performer on the flute; a flautist.

Flutist (n.) To move with quick vibrations or undulations; as, a sail flutters in the wind; a fluttering fan.

Flutist (n.) To move about briskly, irregularly, or with great bustle and show, without much result.

Flutist (n.) To be in agitation; to move irregularly; to flucttuate; to be uncertainty.

Flutter (v. t.) To vibrate or move quickly; as, a bird flutters its wings.

Flutter (v. t.) To drive in disorder; to throw into confusion.

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