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
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How to use a blackhead strip What are the disadvantages of blackhead strips?
1.
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Daley Quinn, Glamour, 15 Apr. 2025
Dermatologists shared their favorite at-home blackhead treatments that truly decongest your pores.
—Elizabeth Robinson, NBC news, 27 Mar. 2025
The blackheads are mostly gone with only a smattering remaining on my nose.
—Jennifer Davis-Flynn, Outside Online, 2 Mar. 2025
For most of us, blackheads are a never-ending problem that feels nearly impossible to solve.
—Kleigh Balugo, StyleCaster, 11 Feb. 2025
See All Example Sentences for blackhead
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Daley Quinn, Glamour, 15 Apr. 2025
Dermatologists shared their favorite at-home blackhead treatments that truly decongest your pores.
—Elizabeth Robinson, NBC news, 27 Mar. 2025
The blackheads are mostly gone with only a smattering remaining on my nose.
—Jennifer Davis-Flynn, Outside Online, 2 Mar. 2025
For most of us, blackheads are a never-ending problem that feels nearly impossible to solve.
—Kleigh Balugo, StyleCaster, 11 Feb. 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 23 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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