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space blanket

a plastic insulating body wrapping coated on one or both sides with aluminium foil which reflects back most of the body heat lost by radiation: carried by climbers, mountaineers, etc, for use in cases of exposure or exhaustion
Word Origin
C20: material originally developed as part of the US space programme
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Contemporary definitions for space blanket

a covering made of an aluminum-coated plastic sheet, designed to retain heat in a person's body, esp. following trauma

Word Origin

1972's 21st Century Lexicon
Copyright © 2003-2014, LLC
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