operculum

IPA(Pronunciation)

/əʊˈpɜː.kjʊ.ləm/

Noun

(zoology) A covering flap in animals, such as a gill cover. / (botany) The lidlike portion of a moss sporangium or of a fruit that detaches to allow the dispersal of spores or seeds.

Japanese Meaning

動物学: 鰓やその他の器官の覆い、例えば鰓を覆う蓋（鰓蓋）としての構造物。 / 植物学: 苔類の胞子嚢の蓋状部分、または果実の一部で、胞子や種の散布のために離れる蓋のような部分。

What is this buttons?

The fish closed its operculum to keep debris from damaging its gills.

Google Translation / DeepL Translation

その魚はエラぶたを閉じて、ゴミがエラを傷つけるのを防いだ。

Details

Sense（1）

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

Hyoliths […] have a small, conical calcium carbonate shell, with a lid called an operculum.

Google Translation / DeepL Translation

Details

Sense（2）

Sense（3）

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

Sense（4）

A structure which serves as a cover or lid.

I lifted the circular operculum from its place and laid it carefully on the bale.

Google Translation / DeepL Translation

Details

Sense（5）

(anatomy) A part of the brain.

opercula

（ plural ）

Details

operculum

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