black·​head | \ˈblak-ˌhed \

Definition of blackhead 

1 : a small plug of darkened sebum and dead skin cells that fills a pore of the skin especially on the face

called also comedo, open comedo

— compare whitehead

2 : a destructive disease of turkeys and related birds caused by a protozoan (Histomonas meleagridis) that invades the intestinal ceca and liver

3 : a larval clam or mussel attached to the skin or gills of a freshwater fish

Examples of blackhead in a Sentence

Recent Examples on the Web

Target Blackheads Clinique’s new self-heating blackhead treatment is like a pocket-size at-home facialist, gently yet effectively dissolving dirt and oil trapped beneath the pores. Jenna Rennert, Vogue, "6 Ways to Get Rid of Acne for Good This Summer," 8 July 2018 Then would come extractions, the technical name for a pro going pore by pore to squeeze out gunk and blackheads. Rachel Nussbaum, Glamour, "I Tried Sephora’s Free Pore Vacuum Facial, and the Results Were Crazy," 22 June 2018 Try: Neutrogena Blackhead Eliminating Cleanser/Mask, an acne-fighting formula, which contains salicylic acid to gently exfoliate skin’s surface to prevent — and help heal — blackheads and ingrown hairs. Nicole Catanese, Cosmopolitan, "The 8 Most Annoying Skin Problems Every Girl Deals With," 24 Aug. 2017 Dermatologist Sandra Lee, better known as Dr. Pimple Popper, is done keeping all the fun of popping cottage cheese–like cysts and miles-deep blackheads to herself. Leah Prinzivalli, Allure, "Dr. Pimple Popper Launched a Pus-Shooting Board Game and Dear God, I'm Not OK," 11 July 2018 Topical retinoids work best on blackheads and whiteheads, and are available only with a prescription. 7. Kristin Koch, Seventeen, "7 Acne Treatments That ACTUALLY Work," 5 June 2018 Aside from the potential damage to your skin caused by squeezing, Marchbein is skeptical that skin spatulas could even remove blackheads effectively. Macaela Mackenzie, Allure, "The "Skin Spatula" Device Is Going Viral as a Blackhead Treatment," 6 July 2018 The small blackheads that have appeared on my cheekbones since going on birth control turn into craters, waiting to be dug out. Tess Garcia, Teen Vogue, "My Acne-Picking Habit Has Changed Me in Unexpected Ways," 25 June 2018 The sensitive skin around your vulva and bikini line can also be susceptible to blackheads, Leah Millheiser, a clinical assistant professor of obstetrics and gynecology at Stanford University School of Medicine, tells Allure. Macaela Mackenzie, Allure, "What Is Vaginal Acne, and How Do You Treat It?," 23 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blackhead.' 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 blackhead

circa 1837, in the meaning defined at sense 1

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Statistics for blackhead

Last Updated

13 Oct 2018

Look-up Popularity

Time Traveler for blackhead

The first known use of blackhead was circa 1837

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More Definitions for blackhead



English Language Learners Definition of blackhead

: a small, inflamed area on the skin with a dark spot in the middle


black·​head | \ˈblak-ˌhed \

Kids Definition of blackhead

: a darkened bit of oily material blocking a pore in the skin


black·​head | \ˈblak-ˌhed \

Medical Definition of blackhead 

1 : a small plug of sebum blocking the duct of a sebaceous gland especially on the face — compare milium

2 : a destructive disease of turkeys and related birds caused by a protozoan of the genus Histomonas (H. meleagridis) that invades the intestinal ceca and liver

called also enterohepatitis, histomoniasis, infectious enterohepatitis

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