Bleaching Powder 1 : A white powder consisting chiefly of calcium hydroxide, calcium chloride, and calcium hypochlorite, used as a bleach, deodorant, or disinfectant
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}