n.
Pronunciation: ˌ pyu ̇ r- ə - ' m ī -s ə n
Function: noun
Etymology: pur ine + -o- + -mycin
Date: 1953
: an antibiotic C 22 H 29 N 7 O 5 that is obtained from an actinomycete ( Streptomyces alboniger ) and is a potent inhibitor of protein synthesis