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cryogen

American  
[krahy-uh-juhn, -jen] / ˈkraɪ ə dʒən, -ˌdʒɛn /

noun

  1. a substance for producing low temperatures; freezing mixture.

cryogen British  
/ ˈkraɪədʒən /

noun

  1. a substance used to produce low temperatures; a freezing mixture

"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

Etymology

Origin of cryogen

First recorded in 1870–75; cryo- + -gen

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The temperature of production of the cryohydrate is identical with the lowest temperature which can be produced on employing a mixture of ice and the salt as a freezing mixture or cryogen.

From Scientific American Supplement, No. 508, September 26, 1885 by Various

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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.