germicide

名词 germicide:

1. an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease
   同义词：disinfectant, antimicrobic, antimicrobial

ger.mi.cide

n.（名词）
An agent that kills germs, especially pathogenic microorganisms; a disinfectant.
杀菌剂：一种杀死细菌的药剂，尤指致病的微生物；杀虫剂

【引伸】
ger.micid.al