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steam jacket

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noun

a casing, as on the cylinder of a steam engine, filled with live steam to keep the interior hot.

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Origin of steam jacket

First recorded in 1830–40

OTHER WORDS FROM steam jacket

steam-jack·et·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for steam jacket

steam jacket

noun

engineering a jacket containing steam that surrounds and heats a cylinder
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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