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a combining form meaning “icy cold,” “frost,” used in the formation of compound words:
Origin of cryo-
combining form representing Greek krýos Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for cryo-


combining form
indicating low temperature; frost, cold, or freezing: cryogenics, cryosurgery
Word Origin
from Greek kruos icy cold, frost
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 Origin and History for cryo-

word-forming element meaning "very cold, freezing," from Latinized form of Greek kryo-, comb. form of kryos "icy cold," related to kryeros "chilling" (see crust (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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cryo- in Medicine

cryo- or cry-
Cold; freezing: cryoprotein.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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