n.
Pronunciation: ˌ ben- ˌ zi-m ə - ' d ā - ˌ z ō l, ˌ ben-z ə - ' mi-d ə - ˌ z ō l
Function: noun
Etymology: International Scientific Vocabulary
Date: 1912
: a crystalline base C 7 H 6 N 2 used especially to inhibit the growth of various viruses, parasitic worms, or fungi also : one of its derivatives