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brightener

[brahyt-n-er]
noun
  1. a person or thing that brightens.
  2. a chemical or other agent used to increase brightness, as one added to toothpaste or detergent to intensify the cleansing or bleaching process.
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Origin of brightener

First recorded in 1790–1800; brighten + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for brightener

Historical Examples

  • But chaperonage was far from the whole destiny of a Brightener.

    The Brightener

    C. N. Williamson

  • Mine was to gird my loins at Lucille's and Redfern's, in order to become a Brightener.

    The Brightener

    C. N. Williamson

  • But I felt that my reputation as a Brightener was at stake, with Terry's hopes.

    The Brightener

    C. N. Williamson

  • That epoch, to which I have looked forward as the brightener of my every view upon earth—how is it now clouded!'

    Camilla

    Fanny Burney

  • A Brightener need not confine herself to female society, as a mere Companion must.

    The Brightener

    C. N. Williamson