Vi fant 2 definisjoner av operculum på engelsk.
Noun |
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| operculum - a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted |
Substantiv |
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| operculum - A covering flap or lidlike structure in plants and animals, such as a gill cover. |