ben·​zo·​yl | \ ˈben-zə-ˌwil , -zō-ˌil, -ˌzȯil \

Definition of benzoyl

: the acyl radical of benzoic acid

Examples of benzoyl in a Sentence

Recent Examples on the Web

Follow with an oil-free moisturizer, then dab a benzoyl-peroxide spot treatment like Clinique Acne Solutions Emergency Gel-Lotion, $17, on zits. Cara Litke Sullivan, Redbook, "The 3 Most Important Things You Could Do to Get Rid of Acne and Wrinkles in Your 30s," 14 July 2015 Having sensitive acne-prone skin — the kind that freaks out within ten feet of benzoyl peroxide. Stephanie Saltzman, Allure, "The Best Beauty Products to Buy at Costco," 28 Aug. 2017 Then at night, apply a benzoyl peroxide treatment to banish bacteria. Nicole Catanese, Cosmopolitan, "The 8 Most Annoying Skin Problems Every Girl Deals With," 24 Aug. 2017 But why use retinoids and not your classic salicylic acid or benzoyl peroxide? Chloe Metzger, Marie Claire, "There's a New 5-Minute Way to Get Rid of Acne, and It Actually Works," 25 July 2017 According to the American Academy of Dermatology, benzoyl peroxide can remove the bacteria that causes acne. Janell M. Hickman, Seventeen, "5 Life-Changing Skincare Tricks Women of Color Need To Know," 23 May 2017 There are certain ingredients that have proven themselves in clinical trials (benzoyl peroxide or glycolic or salicylic acid for acne) — use them. Allure, "The 10 Commandments of Clear Skin," 19 June 2017 Rather than squeezing, soak a cotton swab in benzoyl peroxide and dab it on the zit. Janell M. Hickman, Seventeen, "5 Life-Changing Skincare Tricks Women of Color Need To Know," 23 May 2017

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

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First Known Use of benzoyl

1837, in the meaning defined above

History and Etymology for benzoyl

German, from Benzoësäure benzoic acid + Greek hylē matter, literally, wood

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Time Traveler for benzoyl

The first known use of benzoyl was in 1837

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More Definitions for benzoyl


ben·​zo·​yl | \ ˈben-zə-ˌwil , -ˌzȯil \

Medical Definition of benzoyl

: the radical C6H5CO of benzoic acid

Comments on benzoyl

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to express emotion in a dramatic way

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