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operculum

/əʊˈpɜː.kjʊ.ləm/

Перевод: Существительное, обозначающее твёрдую структуру в виде крышечки, служащую покровом, например, для жаберных щелей у рыб или отверстия раковины у некоторых брюхоногих моллюсков, когда тело втянуто внутрь.

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noun

C2formalcommonscientific/əʊˈpɜː.kjʊ.ləm/

A noun referring to a hard, lid-like structure that serves as a covering, such as for the gill slits in fishes or the opening of a shell in certain gastropods when the body is retracted.

  • 🇷🇺Существительное, обозначающее твёрдую структуру в виде крышечки, служащую покровом, например, для жаберных щелей у рыб или отверстия раковины у некоторых брюхоногих моллюсков, когда тело втянуто внутрь.
  1. Fish gill cover C1 formal scientific

    A hard, bony flap that covers and protects the gills of most bony fish.

    • The operculum of the fish opened and closed rhythmically as it breathed.
    • Scientists examined the operculum to determine the fish's age.
    • Damage to the operculum can impair a fish's ability to respire.

    🇷🇺Жаберная крышка

  2. Snail shell door C1 formal scientific

    A hard, plate-like structure that some snails and gastropods use to seal the opening of their shell when they retract inside.

    • When the snail withdrew into its shell, the operculum sealed the entrance.
    • The operculum of the marine snail was collected for its decorative value.
    • The operculum protects the snail from predators and dehydration.

    🇷🇺Крышечка раковины

    Синонимы: lid

  • opercula plural form
  • operculums plural form
  • opercula's possessive plural form
  • operculums' possessive plural form
  • operculum's possessive singular form