from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of a group of antibiotics produced by the soil actinomycete Streptomyces caespitosus that inhibit DNA synthesis and are used against bacteria and cancerous tumor cells.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of a family of aziridine-containing natural products isolated from the filamentous bacterium Streptomyces lavendulae, one of which is used as a chemotherapeutic agent.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug
Probably mito(sis) + -mycin.(American Heritage® Dictionary of the English Language, Fourth Edition)