blackhead

n. 粉刺 [医] 黑头粉刺, 盲肠肝炎

发音

/ˈblæk.hɛd/

词形变化

blackheads 复数 blackheads

释义与例句

n.
  1. 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.

    可数 医学 不可数
  2. 2.

    A form of histomoniasis in poultry, characterized by cyanotic discoloration on the bird's head.

    不可数 可数
  3. 3.

    A scaup: any of various ducks of the genus Aythya.

    可数 不可数

词汇关系

名词

同义词 2

whitehead comedo

上位词 3

defect mar blemish

整体词 3

skin cutis tegument

词源

From black + head.

来源：wiktionary