protectant

noun

pro·​tec·​tant prə-ˈtek-tənt How to pronounce protectant (audio)
: a protecting agent

Examples of protectant in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Be sure to use some form of heat protectant (Polko likes the John Frieda’s Frizz Ease Daily Nourishment Leave-in Conditioner) when heat styling and to mask often. Audrey Noble, Vogue, 30 May 2026 Bacteria may be able to help mass-produce a natural UV-protectant ingredient called gadusol that is found in many fish and marine organisms. Devika Rao, TheWeek, 18 May 2026 Most popular hair serums at Sephora for $25-$30 This nourishing serum works as a protectant for heat styling. Bestreviews, Mercury News, 14 Apr. 2026 The brand’s Glossing Detangler has a fan club of its own (more than 2,000 people bought this treatment in the past month alone), thanks to its shine-boosting, softening, and heat-protectant formula. Annie Blackman, InStyle, 8 Apr. 2026 See All Example Sentences for protectant

Word History

First Known Use

1876, in the meaning defined above

Time Traveler
The first known use of protectant was in 1876

Browse Nearby Words

Cite this Entry

“Protectant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/protectant. Accessed 2 Jun. 2026.

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