bleaching powder

noun

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

Examples of bleaching powder in a Sentence

Recent Examples on the Web Remove Bathroom Stains with Bleach Use a bleaching powder for cleaning stains on the sink or countertop. Megan Boettcher, Better Homes & Gardens, 4 Aug. 2022 Mix a tablespoon bleaching powder with 1 gallon warm water and stir to dissolve. Megan Boettcher, Better Homes & Gardens, 4 Aug. 2022 The steamship England, which cleared from Queenstown on January 12th, with 200 passengers on board, was obliged to put back to harbor in consequence of the breaking, during a heavy storm, of a number of barrels of bleaching powder in the hold. Dan Schlenoff, Scientific American, 26 Jan. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'bleaching powder.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1805, in the meaning defined above

Time Traveler
The first known use of bleaching powder was in 1805

Dictionary Entries Near bleaching powder

Cite this Entry

“Bleaching powder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bleaching%20powder. Accessed 15 Apr. 2024.

Medical Definition

bleaching powder

noun
bleach·​ing powder ˌblē-chiŋ- How to pronounce bleaching powder (audio)
: 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

More from Merriam-Webster on bleaching powder

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