- a combining form with the meanings “chemical,” “chemically induced,” “chemistry,” used in the formation of compound words: chemotherapy.
Origin of chemo-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
chemi- or before a vowel chem-
- indicating that chemicals or chemical reactions are involvedchemotherapy
New Latin, from Late Greek khēmeia; see alchemy
Word Origin and History for chemo-
before vowels chem-, word-forming element denoting "relation to chemical action or chemicals," from comb. form of chemical (adj.), used to form scientific compound words from c.1900.
Online Etymology Dictionary, © 2010 Douglas Harper
- Chemicals; chemical:chemotherapy.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.