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brightener

[ brahyt-n-er ]
/ ˈbraɪt n ər /
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noun
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.
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Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of brightener

First recorded in 1790–1800; brighten + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use brightener in a sentence

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