bentonite

noun

ben·​ton·​ite ˈben-tə-ˌnīt How to pronounce bentonite (audio)
: an absorptive and colloidal clay used especially as a sealing agent or suspending agent (as of drugs)
bentonitic adjective

Examples of bentonite in a Sentence

Recent Examples on the Web Aerial view of the bentonite clay hills of the Blue Valley and the San Rafael Reef from the Moonscape Overlook. Kerry Breen, CBS News, 1 Feb. 2024 Supporting cast members include Nordic birch sap to hydrate and bentonite clay to clarify. Anamaria Glavan, Allure, 17 Nov. 2023 Whipped into a lightweight, marshmallow texture, the formula contains flower acids (a chemical exfoliant derived from hibiscus), kiwi rice microparticles (infused with alpha hydroxy acids), volcanic sand, clay, bentonite, blue-green algae, and botanical oils. Kiana Murden, Vogue, 30 Aug. 2023 The mask contains key ingredients such as lactic acid, sea kelp, bentonite clay, and Canadian colloidal clay that pull excess oil and toxins from the skin. Sabrina Talbert, Women's Health, 27 July 2023 Amazonian white clay, kaolin clay, and bentonite clay are magnets for excess oil, impurities, and blackheads, which means your skin will look visibly more refined in just 10 minutes. Nykia Spradley, Allure, 19 July 2023 Layers of clay — bentonite and montmorillonite, to be specific — are found beneath the ground, interspersed between layers of bedrock. Jack Flemming, Los Angeles Times, 13 July 2023 Step 4: Bentonite Clay Rinse To detoxify and define your curls, section your hair into four parts and apply the bentonite clay mixture evenly. Sabrina Talbert, Women's Health, 28 Apr. 2023 Perfect Polish Micro-Exfoliant sloughs off dead skin cells with rice flour and tapioca starch, while the Gorgeous Glo CBD Rose Mask provides a deep pore-cleansing with rose oil and bentonite clay. Carol Lee, Discover Magazine, 29 Mar. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'bentonite.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Fort Benton, Montana

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of bentonite was in 1898

Dictionary Entries Near bentonite

Cite this Entry

“Bentonite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bentonite. Accessed 19 Jul. 2024.

Kids Definition

bentonite

noun
ben·​ton·​ite ˈbent-ᵊn-ˌīt How to pronounce bentonite (audio)
: an absorbent clay

Medical Definition

bentonite

noun
ben·​ton·​ite ˈbent-ᵊn-ˌīt How to pronounce bentonite (audio)
: an absorptive and colloidal clay used in pharmacy especially to stabilize suspensions
bentonitic adjective

More from Merriam-Webster on bentonite

Love words? Need even more definitions?

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