a combining form meaning “the earth,” used in the formation of compound words: geochemistry.
Origin of geo-
< Greek geō-, combining form of gê the earth
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for geo
Historical Examples of geo
When abroad, "I am content to note my little facts," and so is Mr. Geo.
The burning part of the ceremony was abolished by the 30 Geo.
The remission of punishment was in the discretion of the Governor-in-chief: the 30 Geo.
In cases not capital, service had the effect of free pardon: 9th Geo.
The cosmogonic narrative which forms the first part of what Geo.
British Dictionary definitions for geo
noun plural geos or gios
(esp in Shetland) a small fjord or gully
Word Origin for geo
C18: from Old Norse gjā ravine; related to Old English gionian to yawn
Word Origin for geo-
from Greek, from gē earth
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
Word Origin and History for geo
word-forming element meaning "earth," ultimately from Greek geo-, comb. form of ge "earth" (see Gaia).
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.
A prefix that means earth, as in geochemistry, the study of the Earth's chemistry.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.