- present participle of whiten.
whitening
Americannoun
-
a preparation for making something white; whiting.
-
the act or process of making or turning white.
Etymology
Origin of whitening
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
To address this, researchers reporting in ACS Nano have created an experimental whitening powder that is activated by the vibrations of an electric toothbrush.
From Science Daily • Mar. 23, 2026
At the import expo, it showcased a new whitening toothpaste for the Chinese market, developed at Crest’s Beijing research institute.
From The Wall Street Journal • Nov. 30, 2025
With shelves full of whitening, charcoal, and enamel-boosting pastes, it's easy to assume the pricier options will give you a healthier smile.
From BBC • Nov. 2, 2025
In food, calcium phosphate is used as a whitening agent.
From Los Angeles Times • May 14, 2025
Then, in the quiet of that whitening night, standing in new snow with the pine boughs coated above him, Turner felt the hand that he had feared all night long grab him by the shoulder.
From "Lizzie Bright and the Buckminster Boy" by Gary D. Schmidt
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
