Part 124

Flo*ta"tion, n. (Com. & Finance) Act of financing, or floating, a commercial venture or an issue of bonds, stock, or the like.

Flotation process. A process of separating the substances contained in pulverized ore or the like by depositing the mixture on the surface of a flowing liquid, the substances that are quickly wet readily overcoming the surface tension of the liquid and sinking, the others flowing off in a film or slime on the surface, though, perhaps, having a greater specific gravity than those that sink.

Flow"er State. Florida; -- a nickname, alluding to sense of L. floridus, from florida flowery. See Florid.

Flue, n. In an organ flue pipe, the opening between the lower lip and the languet.

Flue pipe. (Music) A pipe, esp. an organ pipe, whose tone is produced by the impinging of a current of air upon an edge, or lip, causing a wave motion in the air within; a mouth pipe; - - distinguished from reed pipe. Flue pipes are either open or closed (stopped at the distant end). The flute and flageolet are open pipes; a bottle acts as a closed pipe when one blows across the neck. The organ has both open and closed flue pipes, those of metal being usually round in section, and those of wood triangular or square.

Fluff (?), v. t. & i. To make or become fluffy; to move lightly like fluff. Holmes.

Fluke (?), v. t. & i. [imp. & p. p. Fluked (?); p. pr. & vb. n. Fluking (?).] To get or score by a fluke; as, to fluke a play in billiards. [Slang]

Flu`o*res"cence (?), n. A property possessed by fluor spar, uranium glass, sulphide of calcium, and many other substances, of glowing without appreciable rise of temperature when exposed to light or to ultra-violet rays, cathode rays, X rays, etc.

Flu*or"o*scope, n. (Physics) A fluorescent screen, with hood to protect the eyes, used for observing the shadows cast by objects placed in the path of the X rays. -- Flu*or`o*scop"ic (#), a.

Flu`or*os"co*py (?), n. Examination of an object, as the human body, by exposing it to the X rays and observing the shadow cast upon a fluorescent screen; cryptoscopy.

Flush, v. t. To cause by flow; to draw water from, or pour it over or through (a pond, meadow, sewer, etc.); to cleanse by means of a rush of water.

Flush, v. i. (Mining) (a) To operate a placer mine, where the continuous supply of water is insufficient, by holding back the water, and releasing it periodically in a flood. (b) To fill underground spaces, especially in coal mines, with material carried by water, which, after drainage, constitutes a compact mass.

Flu"vi*o*graph (?), n. [L. fluvius river + -graph.] An instrument for measuring and recording automatically the rise and fall of a river.

Flu`vi*om"e*ter (?), n. [L. fluvius river + -meter.] An instrument for measuring the height of water in a river; a river gauge.

Fly, v. t. To manage (an aircraft) in flight; as, to fly an aëroplane.

Fly, n. (Cotton Manuf.) Waste cotton.

{ Fly amanita, Fly fungus }. (Bot.) A poisonous mushroom (Amanita muscaria, syn. Agaricus muscarius), having usually a bright red or yellowish cap covered with irregular white spots. It has a distinct volva at the base, generally an upper ring on the stalk, and white spores. Called also fly agaric, deadly amanita.

Fly"a*way` (?), a. Disposed to fly away; flighty; unrestrained; light and free; -- used of both persons and things. -- n. A flyaway person or thing. "Truth is such a flyaway." Emerson.

Flyaway grass. (Bot.) The hair grass (Agrostis scabra). So called from its light panicle, which is blown to great distances by the wind.

Flying boat. A compact form of hydro-aëroplane having one central body, or hull.

||Foehn (?), n. [G. dial. (Swiss), fr. L. Favonius west wind. Cf. Favonian.] (Meteor.) (a) A warm dry wind that often blows in the northern valleys of the Alps, due to the indraught of a storm center passing over Central Europe. The wind, heated by compression in its descent from the mountains, reaches the base, particularly in winter, dry and warm. (b) Any similar wind, as the chinook, in other parts of the world.

Fog (?), n. (Photog.) Cloudiness or partial opacity of those parts of a developed film or a photograph which should be clear.

Fog, v. t. (Photog.) To render semiopaque or cloudy, as a negative film, by exposure to stray light, too long an exposure to the developer, etc.

Fog belt. A region of the ocean where fogs are of marked frequency, as near the coast of Newfoundland.

Fog"bow` (?), n. A nebulous arch, or bow, of white or yellowish light sometimes seen in fog, etc.

Fo"gy (?), n. (Mil.) In the United States service, extra pay granted to officers for length of service. [Colloq.]

||Fol"ke*thing` (?), n. [Dan. See Folk, and Thing.] The lower house of the Danish Rigsdag, or Parliament. See Legislature, below.

Fol"low (?), n. The art or process of following; specif., in some games, as billiards, a stroke causing a ball to follow another ball after hitting it. Also used adjectively; as, follow shot.