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bleach

nounverbnounadjectivenounattested in dialogue

  • United Kingdom/[bliːt͡ʃ]/
  • United States/[blit͡ʃ]/
  • //bliːt͡ʃ//

A chemical, such as sodium hypochlorite or hydrogen peroxide, or a preparation of such a chemical, used for disinfecting or whitening.

noun

  1. 1

    A chemical, such as sodium hypochlorite or hydrogen peroxide, or a preparation of such a chemical, used for disinfecting or whitening.

  2. 2

    A variety of bleach.

Etymology

From Middle English blechen, from Old English blǣċan (“to bleach, whiten”), from Proto-West Germanic *blaikijan, from Proto-Germanic *blaikijaną, from Proto-Indo-European *bʰel- (“to shine”). Cognate with Dutch bleken (“to bleach”), German bleichen (“to bleach”), Danish blege, Swedish bleka (“to bleach”). Related to Old English blāc (“pale”) (English blake; compare also bleak).

verb

  1. 1

    To treat with bleach, especially so as to whiten (fabric, paper, etc.) or lighten (hair).

    Candifacio, to make whyte, to bleache, to make to glowe lyke a burnyng cole.

    The destruction of the colouring matters attached to the bodies to be bleached is effected either by the action of the air and light, of chlorine, or of sulphurous acid.

  2. 2

    To be whitened or lightened (by the sun, for example).

    The white sheet bleaching on the hedge, With heigh! the sweet birds, O, how they sing!

    […] when Mrs. Giddy-gaddy came to take out her clothes, deep green stains appeared on every thing, for she had forgotten the green silk lining of a certain cape, and its color had soaked nicely into the pink and blue gowns, the little chemises, and even the best ruffled petticoat. […] “Lay them on the grass to bleach,” said Daisy, with an air of experience.

    The autumn trees, ravaged as they are, take on the flash of tattered flags kindling in the gloom of cool cathedral caves where gold letters on marble pages describe death in battle and how bones bleach and burn far away in Indian sands.

  3. 3

    To lose color due to stress-induced expulsion of symbiotic unicellular algae.

    Once coral bleaching begins, corals tend to continue to bleach even if the stressor is removed.

  4. 4

    figurativeTo make meaningless; to divest of meaning; to make empty.

    semantically bleached words that have become illocutionary particles

noun

  1. 1

    An act of bleaching; exposure to the sun.

Etymology

From Middle English bleche, from Old English blǣċu, blǣċo (“paleness, pallor”), from Proto-Germanic *blaikį̄ (“paleness”). See Etymology 1 above.

adjective

  1. 1

    archaicPale; bleak.

Etymology

From Middle English bleche (also bleke), from Old English blǣċ, blǣc, variants of blāc (“bright, shining, glittering”), from Proto-West Germanic *blaik, from Proto-Germanic *blaikaz (“pale, shining”). More at bleak.

noun

  1. 1

    obsoleteA disease of the skin characterized by hypopigmentation and itching, believed in the 17th century to be a form of leprosy.

Etymology

From Middle English bleche, from Old English blǣċe (“irritation of the skin, leprosy; psoriasis”).

Forms

plural
bleaches
comparative
bleacher, more bleach
superlative
bleachest, most bleach
past tense
bleached
past participle
bleached
present participle
bleaching
third person singular
bleaches

bleach · A chemical, such as sodium hypochlorite or hydrogen peroxide, or a preparation of such a chemical, used for disinfecting or whitening.

bleak · Without color; pale; pallid.bleating · A noise that bleats.bled · Hinterland, field.
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).