blackhead

名词 n.
中文释义

英文释义

名词 n.
  1. 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. countable
    — 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.
  2. A form of histomoniasis in poultry, characterized by cyanotic discoloration on the bird's head. uncountable
  3. A scaup: any of various ducks of the genus Aythya. countable

词形变化

blackheads plural

词汇关系

衍生词
blackheaded

词源

Etymology tree
Proto-Germanic *blakaz
Proto-West Germanic *blak
Old English blæc
Middle English blak
English black
Proto-Indo-European *kap-
Proto-Indo-European *káput
Proto-Germanic *haubudą
Old English hēafod
Middle English heed
English head
English blackhead
From black + head.
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