blackhead
noun
black·head
ˈblak-ˌhed 
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 whitehead2
: 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
Treatment for blackheads usually consists of a mix of using a retinoid and extractions, adds de Moll.
—
Caroline C. Boyle, USA Today, 20 June 2025
This CeraVe acne cleanser is best for acne-prone skin—a major concern for teens—and helps clear away pimples and blackheads.
—Elisabeth Sherman, Parents, 12 June 2025
The salicylic acid also helps with blackheads and impurities for more glowy, radiant skin.
—Jenifer Calle, Glamour, 5 June 2025
In language as deft and muscular as Rosa’s team, Drexler captures the scent of the blood and the resin, every wisecrack and sob story, every flake of talc and gob of spit, every pimple and blackhead on the lady wrestlers’ thighs.
—Lauren Elkin, New York Times, 20 May 2025
See All Example Sentences for blackhead
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Caroline C. Boyle, USA Today, 20 June 2025
This CeraVe acne cleanser is best for acne-prone skin—a major concern for teens—and helps clear away pimples and blackheads.
—Elisabeth Sherman, Parents, 12 June 2025
The salicylic acid also helps with blackheads and impurities for more glowy, radiant skin.
—Jenifer Calle, Glamour, 5 June 2025
In language as deft and muscular as Rosa’s team, Drexler captures the scent of the blood and the resin, every wisecrack and sob story, every flake of talc and gob of spit, every pimple and blackhead on the lady wrestlers’ thighs.
—Lauren Elkin, New York Times, 20 May 2025
See All Example Sentences for blackhead
Cite this Entry
“Blackhead.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blackhead. Accessed 12 Jul. 2025.
Copy CitationKids Definition
blackhead
noun
black·head
ˈblak-ˌhed
: a small oily bit of material blocking the outlet of a fat-secreting gland in the skin
Medical Definition
blackhead
noun
black·head
ˈblak-ˌhed
1
: a small plug of darkened sebum and dead skin cells that blocks the duct of a sebaceous gland especially on the face
called also comedo, open comedo
compare whitehead2
: 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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