a combining form meaning “single,” “simple,” used in the formation of compound words: haplology.

Also especially before a vowel, hapl-.

Origin of haplo-

< Greek, combining form of haplóos single, simple; akin to Latin simplex
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British Dictionary definitions for haplo-


before a vowel hapl-

combining form

single or simplehaplology; haplosis

Word Origin for haplo-

from Greek haplous simple
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 haplo-

word-forming element meaning "simple, single; simply, once," from comb. form of Greek haplos "single, simple."

Online Etymology Dictionary, © 2010 Douglas Harper

haplo- in Medicine



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