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English definition of “disinfectant”

disinfectant

noun [C or U]     /ˌdɪs.ɪnˈfek.tənt/ US  /-t̬ənt/
a substance that contains chemicals that kill bacteria and is used especially for cleaning surfaces in toilets and kitchensCleaning agents
(Definition of disinfectant noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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