a combining form meaning “other,” used in the formation of compound words (allotrope) and in chemistry to denote the more stable of two geometric isomers.
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Also (except in chemistry), especially before a vowel, all- .
Origin of allo-
<Greek, combining form of állos other; cognate with Latin alius,else
Words nearby allo-
Definition for allo- (2 of 2)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for allo-
before a vowel all-
indicating difference, variation, or oppositionallopathy; allomorph; allophone; allonym
Word Origin for allo-
from Greek allos other, different
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
Medical definitions for allo-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.