air jacket
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noun
an envelope of enclosed air around part of a machine, as for checking the transmission of heat.
British. life jacket.
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Origin of air jacket
First recorded in 1905–10
Words nearby air jacket
airiness, airing, air injection, air-intake, airish, air jacket, air kiss, air lance, air lane, air-launched cruise missile, air layer
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for air jacket
British Dictionary definitions for air jacket
air jacket
noun
an air-filled envelope or compartment surrounding a machine or part to reduce the rate at which heat is transferred to or from itCompare water jacket
a less common name for life jacket
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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