brightener

名词 n.
中文释义

英文释义

名词 n.
  1. One who or that which brightens.
    — Country air in the fields, or in gardens, when breathed at proper hours, is an excellent bracer of the nerves, and a sure brightener of the complexion.
  2. A chemical agent that absorbs ultraviolet and violet light and re-emits blue light by fluorescence, used to make fabric or paper look whiter.
  3. Any substance added to an electrolytic bath to yield a brighter electroplated surface.

词形变化

brighteners plural

词源

Etymology tree
English brighten
Proto-Indo-European *-yósder.
Proto-Italic *-āzijos
Latin -āriusnom.
Latin -āriusbor.
Proto-Germanic *-ārijaz
Proto-West Germanic *-ārī
Old English -ere
Middle English -ere
English -er
English brightener
From brighten + -er.
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