Pronunciation: (kē'mō, kem'ō), [key]
—pl. -mos. Informal.
chemotherapy or a chemotherapy treatment.
a combining form with the meanings “chemical,” “chemically induced,” “chemistry,” used in the formation of compound words: chemotherapy. Also, esp. before elements of Latin origin,chemi-. Also, esp. before a vowel,chem-.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.