bleach

名词 n. 动词 v. 形容词 adj.
中文释义
英 [bliːt͡ʃ]    美 [blit͡ʃ]

英文释义

名词 n.
  1. A chemical, such as sodium hypochlorite or hydrogen peroxide, or a preparation of such a chemical, used for disinfecting or whitening. uncountable
  2. An act of bleaching; exposure to the sun.
  3. A disease of the skin characterized by hypopigmentation and itching, believed in the 17th century to be a form of leprosy. obsolete
  4. A variety of bleach. countable
动词 v.
  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. 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!
  3. 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.
  4. To make meaningless; to divest of meaning; to make empty. figuratively,transitive
    — semantically bleached words that have become illocutionary particles
形容词 adj.
  1. Pale; bleak. archaic

词形变化

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

词汇关系

近义词
blanch
衍生词
biobleach bleach bypass bleachery bleachfield bleach job bleachless bleachlike bleachorexia bleach weed bleachworks bleachy blix brain bleach eye bleach mind bleach nonbleach overbleach photobleach postbleach prebleach skip bleach bleachability bleachable bleacher rebleach

词源

词源 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).
词源 2
From Middle English bleche, from Old English blǣċu, blǣċo (“paleness, pallor”), from Proto-Germanic *blaikį̄ (“paleness”). See Etymology 1 above.
词源 3
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.
词源 4
From Middle English bleche, from Old English blǣċe (“irritation of the skin, leprosy; psoriasis”).
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