Definition of bleach in English:

bleach

Line breaks: bleach
Pronunciation: /bliːtʃ
 
/

verb

[with object]
1Cause (a material such as cloth, paper, or hair) to become white or much lighter by a chemical process or by exposure to sunlight: a new formula to bleach and brighten clothing (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
make/turn white, whiten, make/turn pale, make/turn pallid, blanch, lighten, fade, wash out, decolour, decolorize, peroxide, etiolate
go/grow/turn/become white, whiten, go/turn/grow/become pale, pale, go/grow/turn/become pallid, blanch, lose its colour, be washed out, lighten, fade, blench
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 or sterilize (a drain, sink, etc.) with bleach.
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

[mass noun] Back to top  
A chemical (typically a solution of sodium hypochlorite or hydrogen peroxide) used to make materials whiter or for sterilizing drains, sinks, etc. how can I get all those stains out of my wash without bleach?
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.

Origin

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

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