bluing

English

Alternative forms

Etymology

blue +‎ -ing

Pronunciation
  • Audio (US)(file)

Verb

bluing

  1. present participle and gerund of blue

Noun

bluing (countable and uncountable, plural bluings)

  1. A substance used in laundry to whiten clothes.
    Synonyms: blue, laundry blue, dolly blue, washing blue
  2. Any of several processes to protect steel against rust.
    Coordinate terms: blackening, black oxide, browning, phosphating, passivation, plating, coating

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