variants or less commonly chemi-
1
: chemical : chemistry
chemotaxis
2
: chemically
chemisorb

Word History

Etymology

chem- (in chemical entry 1) + -o-

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Cite this Entry

“Chemo-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemo-. Accessed 10 Jun. 2026.

Kids Definition

chemo-

combining form
: chemical : chemistry
chemotaxis
Etymology

scientific Latin, from Greek chēmeia "alchemy" — related to alchemy, chemistry

Medical Definition

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