an antibiotic, CHNO, produced by a soil actinomycete (Streptomyces alboniger), effective against various parasites, bacteria, etc.: it interferes with protein synthesis and can inhibit long-term memory
< pur(ine) + -o- + -mycin
See puromycin in American Heritage Dictionary 4
An antibiotic, C22H29N7O5, obtained from the soil bacterium Streptomyces alboniger, that is used experimentally as an inhibitor of protein synthesis.