a combining form meaning “place,” “local,” used in the formation of compound words: topography; topology.
Also especially before a vowel, top-.

Origin of topo-

combining form of Greek tópos place, commonplace Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for topo-


before a vowel top-

combining form

indicating place or regiontopography; topology; toponym; topotype

Word Origin for topo-

from Greek topos a place, commonplace
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

Medicine definitions for topo-



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