Synonyms for Disinfectant (same or very similar meaning)
WordNet sense 1 (an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease):
antimicrobial, germicide, antimicrobic
WordNet sense 2 (preventing infection by inhibiting the growth or action of microorganisms):
bactericidal, germicidal
WordNet sense 3 (thoroughly clean and free of or destructive to disease-causing organisms):
antiseptic
From the ODE community, based on WordNet
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