n.
Pronunciation: ˌ v ī - ə - ' m ī -s ə n
Function: noun
Etymology: vio let + -mycin; from the color of the soil organism
Date: 1950
: a polypeptide antibiotic C 25 H 43 N 13 O 10 that is produced by several soil actinomycetes (genus Streptomyces ) and is administered in the form of its sulfate in the treatment of tuberculosis