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
Dermatologists shared their favorite at-home blackhead treatments that truly decongest your pores.
—
Elizabeth Robinson, NBC news, 27 Mar. 2025
Everyone is invited to Karen’s function except Jacqueline, who at this point is a blackhead who refuses to be extracted.
—Shamira Ibrahim, Vulture, 16 Dec. 2024
Salicylic acid: Salicylic acid reduces whiteheads and blackheads by unclogging pores, exfoliating the skin, and decreasing inflammation.
—Cristina Mutchler, Verywell Health, 13 Mar. 2025
Clay masks work by absorbing excess oil, to help even skin texture, remove blackheads and keep pimples at bay.
—Alanna Martine Kilkeary, Glamour, 3 Mar. 2025
See All Example Sentences for blackhead
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Elizabeth Robinson, NBC news, 27 Mar. 2025
Everyone is invited to Karen’s function except Jacqueline, who at this point is a blackhead who refuses to be extracted.
—Shamira Ibrahim, Vulture, 16 Dec. 2024
Salicylic acid: Salicylic acid reduces whiteheads and blackheads by unclogging pores, exfoliating the skin, and decreasing inflammation.
—Cristina Mutchler, Verywell Health, 13 Mar. 2025
Clay masks work by absorbing excess oil, to help even skin texture, remove blackheads and keep pimples at bay.
—Alanna Martine Kilkeary, Glamour, 3 Mar. 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 18 Apr. 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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