bleaching powder

noun

Definition of bleaching powder

: a white powder consisting chiefly of calcium hydroxide, calcium chloride, and calcium hypochlorite and used as a bleach, disinfectant, or deodorant

First Known Use of bleaching powder

1805

in the meaning defined above

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Medical Dictionary

bleaching powder

noun bleach·ing powder \ ˌblē-chiŋ- \

medical Definition of bleaching powder

: a white powder consisting chiefly of calcium hydroxide, calcium chloride, and calcium hypochlorite used as a bleach, disinfectant, or deodorant called also chloride of lime, chlorinated lime

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