a combining form meaning “hidden,” “secret,” used in the formation of compound words: cryptograph.
Also especially before a vowel, crypt-.
Origin of crypto-
combining form representing Greek kryptós hidden. See crypt
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for crypto-
before a vowel crypt-
secret, hidden, or concealedcryptography; crypto-fascist
Word Origin for crypto-
New Latin, from Greek kruptos hidden, from kruptein to hide
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
Medicine definitions for crypto-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.