blackhead
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English
[edit]Etymology
[edit]Noun
[edit]blackhead (countable and uncountable, plural blackheads)
- (countable, medicine) A comedo, a skin blemish, a type of acne vulgaris, where a pore becomes clogged with a dark, hard, cheesy keratin-filled substance forming a hard black "head" on the skin's surface.
- Coordinate term: whitehead
- 1972, “Thick As A Brick”, Ian Anderson (lyrics), performed by Jethro Tull:
- See there! A son is born
And we pronounce him fit to fight
There are blackheads on his shoulders
And he pees himself in the night.
- 2020, Brandon Taylor, Real Life, Daunt Books Originals, page 215:
- Wallace sees a cluster of tiny blackheads at the corner of his nose.
- (uncountable) A form of histomoniasis in poultry, characterized by cyanotic discoloration on the bird's head.
- (countable) A scaup: any of various ducks of the genus Aythya.
Derived terms
[edit]- blackheaded (second sense)
Translations
[edit]skin blemish
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Further reading
[edit]blackhead on Wikipedia.Wikipedia
Blackhead in the 1920 edition of Encyclopedia Americana.