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7 Essential Words of Fall

air jacket

noun
1.
an envelope of enclosed air around part of a machine, as for checking the transmission of heat.
2.
British, life jacket.
Origin
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for air jacket

air jacket

noun
1.
an air-filled envelope or compartment surrounding a machine or part to reduce the rate at which heat is transferred to or from it Compare water jacket
2.
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
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Word Value for air

3
3
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