Word forms: (regular plural) germicides
(Pharmaceutical: Drugs) A germicide is any substance that kills germs or other microorganisms. ⇒ Ozone is a powerful germicide - the gas kills the germs almost immediately. ⇒ A substance is called a germicide if it kills germs as well as other microorganisms. ⇒ A germicide is any substance that kills germs or other microorganisms.
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