an envelope of enclosed air around part of a machine, as for checking the transmission of heat.
British. life jacket.
CHALLENGE YOURSELF WITH THESE WORDS FROM "LITTLE WOMEN"
"Little Women" may be a classic, but that doesn't mean we all know the meanings of the vocab words from the book. Can you define these words correctly and make Jo proud?
Question 1 of 10
Origin of air jacket
First recorded in 1905–10
Words nearby air jacket
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for air jacket
A is the calorimetric tube, B the air-jacket and L the gauge.
British Dictionary definitions for air 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