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topo-(word root) place, local
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
Place; region: toponymy.
[Greek, from topos, place.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
topo-or before a vowel
indicating place or region: topography; topology; toponym; topotype.
[from Greek topos a place, commonplace]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a combining form meaning “place”: topography; topology.Also, esp. before a vowel,top-.
[comb. form of Greek tópos place]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.