Brightener

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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. 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. 3
    Any substance added to an electrolytic bath to yield a brighter electroplated surface.

Example

More examples

"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."

Etymology

From brighten + -er.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.