BLACKHEAD

blackhead, comedo

(noun) a black-tipped plug clogging a pore of the skin

Source: WordNet® 3.1


Etymology

Noun

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.

(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.

Source: Wiktionary


Black"head`, n. (Zoöl.)

Definition: The scaup duck.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

9 May 2025

RIGHT

(noun) anything in accord with principles of justice; “he feels he is in the right”; “the rightfulness of his claim”


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Coffee Trivia

“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States

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