whitening

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

Examples of whitening in a Sentence

Recent Examples on the Web

Enter Davids new whitening toothpaste, which uses hydroxyapatite to help remineralize your enamel and protect from decay. —Justin Fenner, Robb Report, 12 May 2025

These usually contain ingredients like fluoride, xylitol, and nano-hydroxyapatite and may offer a safe but temporary mild whitening effect. —Cristina Mutchler, Health, 27 Mar. 2025

The group is a mix of veteran Santas and newer Santas, there to absorb wisdom or solicit advice about topics ranging from how to deal with tricky questions or situations to practical concerns like wardrobe, beard whitening or insurance. —Marc Ramirez, USA TODAY, 21 Dec. 2024

This whitening set comes with whitening toothpaste and whitening strips to truly transform a smile. —Kirsten Chanel Webber, Rolling Stone, 17 Dec. 2024

Word History

First Known Use

1576, in the meaning defined at sense 1

Rhymes for whitening

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