a combining form meaning “whole,” “entire,” used in the formation of compound words: holomorphic.
Origin of holo-
< Greek, combining form of hólos
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
before a vowel hol-
whole or whollyholograph; holotype; Holarctic
Word Origin for holo-
from Greek holos
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
before vowels, hol-, word-forming element meaning "whole, entire, complete," from Greek holo-, comb. form of holos "whole, entire, complete," also "safe and sound," from PIE *sol-wo-, from root *sol- (see safe (adj.)).
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.