Word.ws English Dictionary

Plural of flue

regular plural

The plural of flue is flues.

Forms of flue

Singularflue /fluː/
Pluralflues /fluːz/
Countablecountable and uncountable

Flues in a sentence

  • Besides the usual run of machines, planers, millers, automatics, centre lathes, cranes, etc., there were several power stations, the rolling mills for strip material and for 60 ft. rails, and all the steel furnaces with their complicated systems of flues.1944 November and December, A Former Pupil, “Some Memories of Crewe Works—II”, in Railway Magazine, page 341

Meaning of flue

  1. noun A pipe or duct that carries gaseous combustion products away from the point of combustion (such as a furnace).
  2. noun An enclosed passageway in which to direct a current of air or other gases along.
  3. noun A woolly or downy substance; down, nap; a piece of this.

Full definition of flue

Questions about the plural of flue

What is the plural of flue?
The plural of flue is flues.
Is flue countable?
Flue is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: flue (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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