bleaching powder
漂白粉
bleach·ing powder /ˌblɪʧɪŋ-/ 名詞
Bleach·ing, n. The act or process of whitening, by removing color or stains; esp. the process of whitening fabrics by chemical agents.
Bleaching powder, a powder for bleaching, consisting of chloride of lime, or some other chemical or chemicals.
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bleaching powder
n : a white powder comprised of calcium hydroxide and chloride
and hypochlorite and used to bleach and/or disinfect
[syn: chlorinated lime, chloride of lime]