chemo-

chemo-

a combining form with the meanings “chemical,” “chemically induced,” “chemistry,” used in the formation of compound words: chemotherapy.
Also, especially before elements of Latin origin, chemi-.
Also, especially before a vowel, chem-.


Origin:
chem-, extracted from chemical or chemistry + -o- or -i-

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
chemo-, (before a vowel) chemi- or (before a vowel) chem-
 
combining form
indicating that chemicals or chemical reactions are involved: chemotherapy
 
[New Latin, from Late Greek khēmeia; see alchemy]
 
chemi-, (before a vowel) chemi- or (before a vowel) chem-
 
combining form
 
[New Latin, from Late Greek khēmeia; see alchemy]
 
chem-, (before a vowel) chemi- or (before a vowel) chem-
 
combining form
 
[New Latin, from Late Greek khēmeia; see alchemy]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

chemo-
comb. form of chemical, used to form scientific compound words from c.1900.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

chemo- or chemi- or chem-
pref.
Chemicals; chemical: chemotherapy.

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