operculum
operculum
[ə(ʊ)ˈpəːkjʊləm]
(pl. opercula -lə)
opercular
adjective
operculate
adjective
operculi-
for
语源
[ə(ʊ)ˈpəːkjʊləm]
(pl. opercula -lə)
- (Zoology & Botany)a structure that closes or covers an aperture, in particular
(动，植)盖，尤指
■technical term for gill cover
(技)。 同 gill cover
■a secreted plate that serves to close the aperture of a gastropod mollusc's shell when the animal is retracted
（腹足软体动物的）厣盖
■a lid-like structure of the spore-containing capsule of a moss
（苔藓的）蒴盖，囊盖
opercular
adjective
operculate
adjective
operculi-
for
语源
- early 18th cent.: from Latin, literally lid, covering', from operire 'to cover'
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