Bleach

//bliːt͡ʃ// adj, noun, verb

Definitions

Adjective
  1. 1
    Pale; bleak. archaic
Noun
  1. 1
    A chemical, such as sodium hypochlorite or hydrogen peroxide, or a preparation of such a chemical, used for disinfecting or whitening. uncountable
  2. 2
    An act of bleaching; exposure to the sun.
  3. 3
    A disease of the skin characterized by hypopigmentation and itching, believed in the 17th century to be a form of leprosy. obsolete
  4. 4
    the act of whitening something by bleaching it (exposing it to sunlight or using a chemical bleaching agent) wordnet
  5. 5
    A variety of bleach. countable
Show 2 more definitions
  1. 6
    the whiteness that results from removing the color from something wordnet
  2. 7
    an agent that makes things white or colorless wordnet
Verb
  1. 1
    To treat with bleach, especially so as to whiten (fabric, paper, etc.) or lighten (hair). transitive

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

  2. 2
    make whiter or lighter wordnet
  3. 3
    To be whitened or lightened (by the sun, for example). intransitive

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

  4. 4
    cause to become white or lighter in color wordnet
  5. 5
    To lose color due to stress-induced expulsion of symbiotic unicellular algae. intransitive

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

Show 1 more definition
  1. 6
    To make meaningless; to divest of meaning; to make empty. figuratively, transitive

    "semantically bleached words that have become illocutionary particles"

Etymology

Etymology 1

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).

Etymology 2

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).

Etymology 3

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

Etymology 4

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.

Etymology 5

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

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