operculum

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.

deDeckplatte oder Deckel, eine harte, kappenartige Struktur, die als Verschluss oder Schutz dient, z. B. der Kiemendeckel bei Fischen oder der Deckel, mit dem Schnecken ihre Gehäuseöffnung verschließen.ruСуществительное, 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.esSustantivo que designa una estructura dura en forma de tapadera u opérculo que sirve de cubierta, como la que protege las branquias de los peces o la abertura de la concha en algunos gasterópodos cuando el cuerpo se retrae en su interior.frNom désignant une structure dure en forme d'opercule ou de couvercle, servant de protection, par exemple pour les fentes branchiales des poissons ou l'ouverture de la coquille de certains gastéropodes lorsque le corps est rétracté à l'intérieur.ptSubstantivo que designa uma estrutura sólida em forma de tampa ou opérculo, que serve de cobertura, como a proteção das brânquias em peixes ou a abertura da concha em alguns gastrópodes quando o corpo está recolhido.zh指覆盖开口的盖状结构，如鱼类鳃盖、螺类壳口盖，以及昆虫或苔藓虫等动物体表的盖片。arاسم يشير إلى تركيب صلب يشبه الغطاء يعمل على سد فتحة أو تغطيتها، مثل الغطاء الخيشومي في الأسماك أو الغطاء الذي يسد فتحة صدفة بعض الرخويات البطنية عند انسحاب الجسم.

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.

   deKiemendeckelruЖаберная крышкаesOpérculo branquialfrOperculeptOpérculozh鳃盖arغطاء الغلاصم

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.

   deDeckel der SchneckenschaleruКрышечка раковиныesOpérculo de los gasterópodosfrOpercule (coquille de gastéropode)ptOpérculozh厣arغطاء الصدفة

   Synonyme: lid

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