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.
Origin of bleaching powder
1- Also called chloride of lime, chlorinated lime, calcium oxychloride.
Words Nearby bleaching powder
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use bleaching powder in a sentence
Place a quarter of an ounce of bleaching powder in a quart bottle containing a pint of water.
Textiles | William H. Dooleybleaching powder cannot be used in bleaching animal fibers such as woolen and silk fabrics.
Textiles | William H. DooleyIn times of peace this gas is chiefly used for making bleaching powder.
The Romance of War Inventions | Thomas W. Corbinbleaching powder, lime, and picric acid are received by rail.
America's Munitions 1917-1918 | Benedict Crowell"Acagine," a mixture of bleaching powder with fifteen per cent of lead chromate.
Oxy-Acetylene Welding and Cutting | Harold P. Manly
British Dictionary definitions for bleaching powder
a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H 2 O. It is used in solution as a bleaching agent and disinfectant: Also called: chloride of lime, chlorinated lime
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Browse