: an enclosed passageway for directing a current: such as
a
: a channel in a chimney for conveying flame and smoke to the outer air
b
: a pipe for conveying flame and hot gases around or through water in a steam boiler
c
: an air channel leading to the lip of a wind instrument
d
Examples of flue in a Sentence
Recent Examples on the Web
Catch up quick: Capturing the carbon from the flues of plants, like gas, coal and ethanol, and storing it underground (called CCS) has long been technically but not economically feasible, and in development.
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Katie Fehrenbacher, Axios, 6 Sep. 2024
The dog owner told GMA her apartment's leak was caused by a bird's nest sitting in the flue of her building's gas water heater.
—Brenton Blanchet, Peoplemag, 12 July 2024
The base layer of insulating straw was topped by turves — soil formed of dead but not fully decayed plants — and finished with clay, which near the apex of the roof may have formed a chimney or flue.
—Franz Lidz, New York Times, 19 Mar. 2024
To end up with flue gas that’s almost exclusively CO2 and water, their cycle would have to inhale 95 percent pure oxygen.
—David Wagman, IEEE Spectrum, 30 May 2018
See all Example Sentences for flue 
Katie Fehrenbacher, Axios, 6 Sep. 2024
The dog owner told GMA her apartment's leak was caused by a bird's nest sitting in the flue of her building's gas water heater.
—Brenton Blanchet, Peoplemag, 12 July 2024
The base layer of insulating straw was topped by turves — soil formed of dead but not fully decayed plants — and finished with clay, which near the apex of the roof may have formed a chimney or flue.
—Franz Lidz, New York Times, 19 Mar. 2024
To end up with flue gas that’s almost exclusively CO2 and water, their cycle would have to inhale 95 percent pure oxygen.
—David Wagman, IEEE Spectrum, 30 May 2018
See all Example Sentences for flue
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'flue.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Flue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flue. Accessed 5 Nov. 2024.
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flue
noun
: an enclosed passageway for directing a current
especially
: a channel in a chimney for carrying flame and smoke to the outer air
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