Definition of bleach in English:

bleach

Syllabification: bleach
Pronunciation: /blēCH
 
/

verb

[with object]
1Whiten by exposure to sunlight or by a chemical process: paper products are bleached with chlorine (as adjective bleached) permed and bleached hair
More example sentences
  • He had bleached his hair almost white and spiked it into a number of horns all over his head.
  • Mickey had short bleached-blonde hair and a sandpapery growth of stubble on his chin.
  • It is also possible to bleach paper through an oxidation process that uses no chlorine at all.
Synonyms
1.1Deprive of vitality or substance: his contributions to the album are bleached of personality
More example sentences
  • A large colour photograph from his shack dweller series has been bleached of its content, the sitter a vague outline, a ghostly presence leached from the scene.
  • I am now standing outside Iona Abbey (although the island is much smaller and flatter than I remember, seemingly bleached of some of its character and wild aspects).
  • Those answers mean a lot, Mosley says, because it's troubling when biracial people seem to bleach away their blackness with European pride.
2Clean and sterilize: a new formula to bleach and brighten clothing
More example sentences
  • Baths foreman Frank Hardcastle had a four-day job of cleaning the tiles and bleaching the pool floor.
  • This can be made clean by bleaching it, boiling it and filtering it.
  • Between the two of us, we scrubbed and wiped and bleached that entire apartment clean over that night and the better part of the next day.

noun

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A chemical (typically a solution of sodium hypochlorite or hydrogen peroxide) used to whiten or sterilize materials.
More example sentences
  • This technique means that wherever they make chlorine, they make sodium hydroxide, too, and generally they go on to make sodium hypochlorite bleach for you, too.
  • For successful inactivation of both organism and toxin, both bleach and sodium hydroxide must be applied for a total of 40 minutes.
  • Be familiar with and observe safety guidelines when working with hazardous chemicals such as sodium hydroxide and bleach.
Synonyms
chlorine bleach
trademark Clorox

Origin

Old English blǣcan (verb), blǣce (noun), from blǣc 'pale', of Germanic origin; related to bleak1.

Definition of bleach in:

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