Definition of "germicidal" [ger•mi•ci•dal]

• That kills pathogenic organisms; disinfectant (adjective)

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• "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."
• "Contaminated water enters the AquaIris, passes over a removable/re-usable filter, then travels under a layer of ‘converter crystals’ where germicidal UVC rays purify the water molecules as they pass by."
• "Residents are encouraged to wear surgical masks and to wash their hands often with germicidal gel to prevent the spread of disease."