D defs.my
Entry 1 sense Webster, 1913

germicidal

/(jẽr"mĭ*sī`dal)/ · ger·mi·ci·dal · IPA
01 a. Destructive to germs; -- applied to any agent which has a killing action upon living microorganisms, particularly bacteria or viruses, whic…
  1. 1.
    Destructive to germs; -- applied to any agent which has a killing action upon living microorganisms, particularly bacteria or viruses, which are the cause of many infectious diseases.(Biol.)
Syn. antiseptic.