whitening

1 of 2

noun

whit·​en·​ing ˈ(h)wīt-niŋ 

-ᵊn-iŋ

1

: the act or process of making or becoming white

2

: something that is used to make white : whiting

whitening

2 of 2

present participle of whiten

Examples of whitening in a Sentence

Recent Examples on the Web

Noun

The studio, which opened Sunday, Sept 13, also offers spray tans and teeth whitening services. — Emma Hall, Sacbee.com, 14 Sep. 2026

It is aimed at shoppers who want the Glossonic whitening concept with fewer interface decisions. — Matt Emma, USA Today, 10 Sep. 2026

Peroxide is the main active ingredient in the products dentists use to do in-office whitening in their offices, too. — Sara Coughlin, Allure, 8 Sep. 2026

The brand's proprietary whitening system is designed to lift surface stains without penetrating enamel. — ABC News, 5 Sep. 2026

Word History

First Known Use

Noun

1576, in the meaning defined at sense 1

Rhymes for whitening

• brightening
• frightening
• heightening
• lightening
• tightening
• enlightening