Defn: The motion or undulation of a fluid collected in a natural or artifical cavity, which is felt when it is subjected to pressure or percussion. Dunglison.
FLUE Flue, n. Etym: [Cf. OF. flue a flowing, fr. fluer to flow, fr. L. fluere (cf. Fluent); a perh. a corruption of E. flute.]
Defn: An inclosed passage way for establishing and directing a current of air, gases, etc.; an air passage; esp.: (a) A compartment or division of a chimney for conveying flame and smoke to the outer air. (b) A passage way for conducting a current of fresh, foul, or heated air from one place to another. (c) (Steam Boiler) A pipe or passage for conveying flame and hot gases through surrounding water in a boiler; — distinguished from a tube which holds water and is surrounded by fire. Small flues are called fire tubes or simply tubes. Flue boiler. See under Boiler. — Flue bridge, the separating low wall between the flues and the laboratory of a reverberatory furnace. — Flue plate (Steam Boiler), a plate to which the ends of the flues are fastened; — called also flue sheet, tube sheet, and tube plate. — Flue surface (Steam Boiler), the aggregate surface of flues exposed to flame or the hot gases.
FLUE Flue, n. Etym: [Cf. F. flou light, tender, G. flau weak, W. llwch dust. sq. root84.]
Defn: Light down, such as rises from cotton, fur, etc.; very fine lint or hair. Dickens.
FLUENCE
Flu"ence, n.
Defn: Fluency. [Obs.] Milton.
FLUENCY
Flu"en*cy, n. Etym: [L. fluentia: cf. F. fluence. See Fluent.]
Defn: The quality of being fluent; smoothness; readiness of utterance; volubility. The art of expressing with fluency and perspicuity. Macaulay.
FLUENT
Flu"ent, a. Etym: [L. fluens, -entis, p.pr. of fluere to flow; cf.
Gr. Fluctuate, Flux.]