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[brahyt-n-er] /ˈbraɪt n ər/
a person or thing that brightens.
a chemical or other agent used to increase brightness, as one added to toothpaste or detergent to intensify the cleansing or bleaching process.
Origin of brightener
First recorded in 1790-1800; brighten + -er1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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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
  • You might imagine that a brightener was some sort of patent polisher for stoves, metal, or even boots.

    The Brightener C. N. Williamson
  • Gille Machree, "brightener of my heart;" the name of one of Gerald Griffin's sweetest songs.

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