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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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

Word History

First Known Use

1805, in the meaning defined above

Time Traveler

The first known use of bleaching powder was in 1805

See more words from the same year

Cite this Entry

Style

“Bleaching powder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bleaching%20powder. Accessed 22 Nov. 2024.

Copy Citation