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Pronunciation:  `disin'fektunt

WordNet Dictionary
  1. [n]  an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease
  2. [adj]  preventing infection by inhibiting the growth or action of microorganisms

DISINFECTANT is a 12 letter word that starts with D.


 Synonyms: antimicrobial, antimicrobic, antiseptic, bactericidal, germicidal, germicide
 See Also: agent, cetrimide, sodium hypochlorite



Webster's 1913 Dictionary
\Dis`in*fect"ant\, n.
That which disinfects; an agent for removing the causes of
infection, as chlorine.

Biology Dictionary
 Definition: A chemical which kills bacteria and viruses and other microorganisms on a nonliving surface. A "complete disinfectant" will also kill spores of microorganisms; an "incomplete disinfectant" will not.
Thesaurus Terms
 Related Terms: acaricide, anthelmintic, antibiotic, antiseptic, bactericide, bleaching powder, bug bomb, carbamate insecticide, carbolic acid, chemosterilant, chlorinated hydrocarbon insecticide, chlorine, cleaner, cleanser, contact poison, cresol, decontaminator, defoliant, eradicant, formaldehyde, fumigant, fumigator, fungicide, germicidal, germicide, herbicide, hypochlorous acid, insect powder, insecticide, mercuric chloride, microbicide, miticide, organic chlorine, organic phosphate insecticide, pesticide, phenol, poison, purifier, rat poison, roach paste, roach powder, rodenticide, sanitizer, sodium hypochlorite, stomach poison, systemic, systemic insecticide, toxic, toxicant, toxin, venin, venom, vermicide, virus, weed killer