Definify.com
Webster 1913 Edition
Flue
Flue
(flū)
, Noun.
[Cf. OF.
flue
a flowing, fr. fluer
to flow, fr. L. fluere
(cf. Fluent
); a perh. a corruption of E. flute
.] 1.
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
(flū)
, Noun.
[Cf. F.
flou
light, tender, G. flau
weak, W. llwch
dust. √84.] Light down, such as rises from cotton, fur, etc.; very fine lint or hair.
Dickens.
Definition 2024
flue
flue
English
Noun
flue (plural flues)
- A pipe or duct that carries gaseous combustion products away from the point of combustion (such as a furnace).
- An enclosed passageway in which to direct air or other gaseous current along.
- (obsolete, countable and uncountable) A woolly or downy substance; down, nap; a piece of this.
- In an organ flue pipe, the opening between the lower lip and the languet.
Related terms
Translations
pipe that carries gaseous combustion products away from their origin
opening between the lower lip and the languet