black·​head | \ ˈblak-ˌhed How to pronounce blackhead (audio) \

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

The Northern cat-eyed snake, Brazos water snake, concho water snake, Louisiana pine snake, Big Bend blackhead snake, Texas lyre snake and timber rattlesnake are also on the list. Marcy De Luna, Houston Chronicle, "See the endangered, venomous and non-venomous snakes in Texas," 2 July 2019 Patients turn to her Los Angeles office with cysts the size of soccer balls, blackheads that have been entrenched for decades, and pimples that have their own pimples. Leah Prinzivalli, Allure, "Dr. Pimple Popper Is Back for Season 3 With a Harrowing and Pus-Filled Trailer," 8 May 2019 Symptoms of an epidermoid cyst include a small, firm bump under the skin, a visible blackhead at the top of the bump, expulsion of a thick, yellow, smelly material, and possibly redness, swelling, and tenderness, the Mayo Clinic says. Korin Miller, SELF, "How to Tell If That Bump on Your Bikini Line Is an Ingrown Hair," 7 Jan. 2019 Nothing is better than a simple blackhead popping vid. Kelsey Stiegman, Seventeen, "10 Gross AF Pimple Popping Videos That Are Disgustingly Satisfying," 10 Sep. 2018 And the pores themselves are less offensive than the blackheads that live rent-free in their depths. Mattie Kahn, Glamour, "I Regret to Inform You Vintner’s Daughter Is Totally Worth It," 24 Apr. 2019 Salicylic acid is really only ideal for blackheads and whiteheads. Kat Suico, Allure, "The 21 Best Skin-Care Tips of All Time, According to Dermatologists," 23 Mar. 2019 In the Skincare Addiction subreddit, source of beauty tips both questionable and profound, one Redditor posted a query about Cosrx BHA Blackhead Power Liquid, a K-beauty serum hailed for its ability to dispense sebum and blackheads. Macaela Mackenzie, Allure, "Redditors Swear Cosrx's BHA-Packed Blackhead Power Liquid Clears Up Ingrown Hairs," 7 Sep. 2018 Some may also suffer from clogged pores—the work of months of slathering on thick sunscreens and bronzers—for which Fusco recommends a session of Isolaz, an in-office laser treatment that helps clear imperfections and banish blackheads. Jenna Rennert, Vogue, "How to Transition Your Skin-Care Routine for Fall Like a Pro," 12 Aug. 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

7 Jul 2019

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 How to pronounce blackhead (audio) \

Kids Definition of blackhead

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


black·​head | \ ˈblak-ˌhed How to pronounce blackhead (audio) \

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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More from Merriam-Webster on blackhead

Rhyming Dictionary: Words that rhyme with blackhead

Spanish Central: Translation of blackhead

Nglish: Translation of blackhead for Spanish Speakers

Comments on blackhead

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something desired as essential

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