WORD ORIGIN a combining form meaning “different,” “other,” used in the formation of compound words: heterocyclic.
, especially before a vowel heter-. Origin of hetero-
combining form of
Greek héteros the other of two, other, different
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for hetero- combining form other, another, or different heterodyne; heterophony; heterosexual Compare homo- Word Origin for hetero-
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for hetero-
word-forming element meaning "other, different," from comb. form of Greek
heteros "the other (of two), another, different;" first element meaning "one, at one, together," from PIE *sem- "one;" the second cognate with the second element in Latin al-ter, Gothic an-þar, Old English o-ðer "other."
Online Etymology Dictionary, © 2010 Douglas Harper
pref. Other; different: heterocellular.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
A prefix that means different or other, as in heterophyllous, having different kinds of leaves.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.