whit·​en·​ing | \ ˈhwīt-niŋ How to pronounce whitening (audio) , ˈwīt-, -ᵊn-iŋ\

Definition of whitening

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

Seeing Is Believing Apply mineral sunscreen in small sections and really rub it in—this helps the product last longer on your skin and minimizes whitening, says Blum. Kari Molvar, Vogue, "Is Your Sunscreen Bad for the Planet? Here’s How to Choose an Ocean-Safe Formula," 14 Aug. 2018 Since the early 1960s, black Republicans and black conservatives have seen the whitening of the Republican Party and the increasing racial extremism of the conservative movement. Jane Coaston, Vox, "Max Boot, Jackie Robinson, and the racism problem in the Republican Party," 12 Oct. 2018 Separate whites from colors and wash with a full dose of an enzyme of bleach-alternative detergent (for whitening) in the hottest water that's fabric safe. Carolyn Forte, Good Housekeeping, "How to Get Sweat Stains Out of White Shirts," 20 May 2015 The first one, focused on oral care including teeth whitening, is expected to start as soon as this year, while others in areas like pet food remain under consideration, the people said. Sharon Terlep, WSJ, "A Toothpaste Club? Colgate to Invest in Online Startup," 2 July 2018 The Leave-No-Tooth-Unwhitened Whitener Opalescence Go $68, Amazon Buy Now These one-time-use trays come pre-loaded with whitening gel and go in like a mouth guard to cover all of your teeth, molar to molar. Barret Wertz, GQ, "The Best Teeth-Whitening Products for Any Budget," 14 May 2018 Dazzle, a local startup that offers teeth cleaning and whitening, used Peerspace to find a spot for its pop-up services, ending up in North Beach at Real Old Paper, a gallery for vintage posters. Carolyn Said, San Francisco Chronicle, "An Airbnb for party space? Quirky rentals abound on Peerspace," 26 May 2018 Also, be aware that tooth whitening doesn’t work on crowns or most fillings. Jill U. Adams, Washington Post, "Here’s what it takes to whiten teeth," 28 Apr. 2018 Also, be aware that tooth whitening doesn't work on crowns or most fillings. Jill U. Adams, chicagotribune.com, "The pros and cons of whitening your teeth," 1 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'whitening.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of whitening

1576, in the meaning defined at sense 1

Keep scrolling for more

Learn More about whitening

Statistics for whitening

Look-up Popularity

Time Traveler for whitening

The first known use of whitening was in 1576

See more words from the same year

More from Merriam-Webster on whitening

Nglish: Translation of whitening for Spanish Speakers

Britannica English: Translation of whitening for Arabic Speakers

Comments on whitening

What made you want to look up whitening? Please tell us where you read or heard it (including the quote, if possible).


to mark by some ceremony or observation

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
True or False

Test your knowledge - and maybe learn something along the way.

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!