ALL meanings of bleaching powder
bleach pow·der
B b - noun bleaching powder a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H2O. It is used in solution as a bleaching agent and disinfectant 3
- noun bleaching powder any powder used in bleaching; esp., chloride of lime 3
- noun bleaching powder a white powder that decomposes on contact with water and has the characteristic odor of gaseous chlorine: regarded, when dry, as a mixed calcium hypochlorite-chloride, used as a commercial bleach for wood pulp, textiles, oils, and soaps, and in laundering as a decolorizer and disinfectant. 1
- noun bleaching powder A white powder, a mixture of calcium hypochlorite and calcium chloride, prepared by the action of chlorine on calcium hydroxide, used as a strong bleaching agent and disinfectant. 0