air jacket

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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CHALLENGE YOURSELF WITH THESE WORDS FROM "LITTLE WOMEN"

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Question 1 of 10
earnest
full seriousness, as of intention or purpose.
a feeling of dread, anxiety, or anguish.
urgent character; imperativeness; insistence; importunateness.
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Origin of air jacket

First recorded in 1905–10

Words nearby air jacket

air hole, air horn, air hostess, air hunger, air injection, air jacket, air kiss, air lance, air lane, air layer, air layering
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012