hy·​dro·​col·​loid ˌhī-drə-ˈkä-ˌlȯid How to pronounce hydrocolloid (audio)
: a substance that yields a gel with water
hydrocolloidal adjective

Examples of hydrocolloid in a Sentence

Recent Examples on the Web What is the difference between hydrocolloid and salicylic acid? Good Housekeeping, 19 July 2023 In addition to using hydrocolloid to attack acne-causing bacteria, the patches also prevent you from scratching or picking at your pimple. Tim Chan, The Hollywood Reporter, 31 May 2023 Each patch is formulated with medical-grade hydrocolloid to suck the gunk out of your pimple to slow growth overnight. Nerisha Penrose, ELLE, 30 Nov. 2022 These also have hydrocolloid on them to keep dirt and germs away. Meaghan Kenny, Condé Nast Traveler, 10 May 2022 Each one is made with hydrocolloid, which Starface says helps shrink pimples, absorb fluid, reduce spots and prevent picking. Good Housekeeping, 4 Dec. 2022 Neogen’s transparent hydrocolloid patches shield your breakout from water, dirt, and other threats on the outside while creating enough moisture underneath to minimize scarring. Nerisha Penrose, ELLE, 30 Nov. 2022 Gifting someone the new Starface Black Star hydrocolloid patches? Tatjana Freund, ELLE, 15 Nov. 2022 Always have patches at the ready with this 120-sticker pack that includes hydrocolloid and tea tree oil. Cai Cramer, Peoplemag, 17 Oct. 2022 See More

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

Word History

First Known Use

1916, in the meaning defined above

Time Traveler
The first known use of hydrocolloid was in 1916

Dictionary Entries Near hydrocolloid

Cite this Entry

“Hydrocolloid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrocolloid. Accessed 27 Sep. 2023.

Medical Definition


hy·​dro·​col·​loid -ˈkäl-ˌȯid How to pronounce hydrocolloid (audio)
: any of several substances that yield gels with water (as alginic acid salts, agar, carrageenan, and related polysaccharide gums) and that are used especially as protective colloids and as impression materials in dentistry
hydrocolloidal adjective
Last Updated: - Updated example sentences
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