a combining form meaning “few,” “little,” used in the formation of compound words: oligopoly.
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Also especially before a vowel, olig-.
Origin of oligo-
< Greek, combining form of olígos little, few (in plural)
Words nearby oligo-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for oligo-
before a vowel olig-
indicating a few or littleoligopoly
Word Origin for oligo-
from Greek olígos little, few
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 oligo-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.