Pertaining to or of the nature of a germicide; germ-killing: as, germicidal gases.

adjective. 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.

adjective. that kills pathogenic organisms; disinfectant

adjective. preventing infection by inhibiting the growth or action of microorganisms

"These are (1) the production in the blood of an antidote to the toxin or poison elaborated by the invading microbe -- an antitoxin, which chemically neutralises the toxin; (2) the production in the blood of the attacked animal of a "germicidal" poison which repels and kills the attacking microbes themselves (not merely neutralising their poisonous products); (3) the extermination of the intrusive, disease-producing microbes by a kind of police, which scour the blood channels and tissues and "eat up" -- actually engulf and digest -- the hostile intruders."

antiseptic  

germicide  

2-based  Castile  detersive  film-forming  forced-draft  

antiseptic