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
Careful not to get your face wet, massage your skin to get rid of blackheads.
—
Rosa Jisoo Pyo, Vogue, 14 Apr. 2025
Presence of blackheads: People with acne often have blackheads in addition to whiteheads; those with rosacea do not.
—Kelly Burch Published, Verywell Health, 10 Apr. 2025
There are also discourses on flatulence, notably as a method of communication between spies, on nose-picking and on the squeezing of pimples and blackheads.
—Dwight Garner, New York Times, 7 Apr. 2025
Find it on Amazon A Liquid Salicylic Acid Exfoliant That Treats Blackheads
This liquid salicylic acid exfoliant gently exfoliates skin to remove blackheads and minimize pores.
—Kat Romero, Rolling Stone, 27 Sep. 2024
See All Example Sentences for blackhead
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Rosa Jisoo Pyo, Vogue, 14 Apr. 2025
Presence of blackheads: People with acne often have blackheads in addition to whiteheads; those with rosacea do not.
—Kelly Burch Published, Verywell Health, 10 Apr. 2025
There are also discourses on flatulence, notably as a method of communication between spies, on nose-picking and on the squeezing of pimples and blackheads.
—Dwight Garner, New York Times, 7 Apr. 2025
Find it on Amazon A Liquid Salicylic Acid Exfoliant That Treats Blackheads
This liquid salicylic acid exfoliant gently exfoliates skin to remove blackheads and minimize pores.
—Kat Romero, Rolling Stone, 27 Sep. 2024
See All Example Sentences for blackhead
Cite this Entry
“Blackhead.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blackhead. Accessed 19 May. 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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