• synonyms


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

Origin of topo-

combining form of Greek tópos place, commonplace
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for topo

Historical Examples

  • One of its branches, the Topo, is one continued rapid; "of those who have fallen into it, only one has come out alive."

    The Andes and the Amazon

    James Orton

British Dictionary definitions for topo


noun plural topos
  1. mountaineering a picture of a mountain with details of climbing routes superimposed on it
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Word Origin

C20: shortened from topographical picture


before a vowel top-

combining form
  1. indicating place or regiontopography; topology; toponym; topotype
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Word Origin

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

topo in Medicine


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