- 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.
Many common whitening products rely on peroxide-based bleaching found in strips, gels, and mouth rinses.
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
A BBC undercover journalist approached salons and agreed to meet and purchase the whitening kits.
From BBC ● Oct. 28, 2025
In food, calcium phosphate is used as a whitening agent.
From Los Angeles Times ● May 14, 2025
She huddled in the corner of our train compartment, the hand that gripped Father’s whitening at the knuckles each time the train lurched or swayed.
From "The Hiding Place" by Corrie ten Boom
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.
