Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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noun
A type of 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.
Definition source: English Wiktionary via Wiktextract
Usage: countable
Topics: medicine, sciences
No example sentence was provided for this meaning.
Synonyms: open comedo
Antonyms: none provided
noun
A form of histomoniasis in poultry, characterized by cyanotic discoloration on the bird's head.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A scaup: any of various ducks of the genus Aythya.
Definition source: English Wiktionary via Wiktextract
Usage: countable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a black-tipped plug clogging a pore of the skin
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: comedo
Antonyms: none provided
Broader terms: blemish, defect, mar
History
Etymology tree Proto-Germanic *blakaz Proto-West Germanic *blak Old English blæc Middle English blak English black substratebor.? Proto-Indo-European *kap-? Proto-Indo-European *kap- Proto-Indo-European *káput Proto-Germanic *haubudą Old English hēafod Middle English heed English head English blackhead From black + head.
Across languages
35 source translations are retained for this English entry.
