operculum

大学

n. 叶盖, 鳃盖骨 [医] 盖, 岛盖, 盖(昆虫), 厣(软体动物), 鳃盖(鱼)

发音

UK /əʊˈpɜː.kjʊ.ləm/
US /oʊˈpɝ.kjə.ləm/

词形变化

opercula 复数 opercula operculums

别名

opercule

教材释义与例句

名词

鳃盖，盖

释义与例句

n.
  1. 1.

    A covering flap in animals, such as a gill cover.

    厣

    生物 动物学
  2. 2.

    The lidlike portion of a moss sporangium or of a fruit that detaches to allow the dispersal of spores or seeds.

    生物 植物学
  3. 3.

    A gum flap covering (part of) a partially erupted tooth, usually a wisdom tooth.

    医学
  4. 4.

    A structure which serves as a cover or lid.

  5. 5.

    One of several flaps of cerebral cortex covering the insula.

    医学

词汇关系

名词

上位词 1

plate

词源

Borrowed from Latin operculum.

来源：wiktionary