- a combining form meaning “cold,” used in the formation of compound words: psychrometer.
Origin of psychro-
combining form representing Greek psȳchrós cold; akin to psȳ́chein to blow (see psykter)
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from Greek psukhros
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
Word Origin and History for psychro-
word-forming element meaning "cold," from Latinized form of Greek psykhros "cold," from psykhrein "blow, make cool or cold," from the same root as psyche.
Online Etymology Dictionary, © 2010 Douglas Harper
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.