noun🔗ShareOperculeA covering flap in animals, such as a gill cover."The fish opened and closed its operculum, allowing it to breathe underwater. "Le poisson ouvrait et refermait son opercule, ce qui lui permettait de respirer sous l'eau.organismanimalbiologyanatomyfishpartChat with AIVocabulary GamePractice Reading
noun🔗ShareL'opercule, partie en forme de couvercle d'un sporange de mousse ou d'un fruit qui se détache pour permettre la dispersion des spores ou des grainesThe lidlike portion of a moss sporangium or of a fruit that detaches to allow the dispersal of spores or seeds."The operculum on the moss capsule popped open, releasing a cloud of tiny spores into the air. "L'opercule de la capsule de mousse s'est ouvert, libérant un nuage de minuscules spores dans l'air.plantpartbiologyseedChat with AIVocabulary GamePractice Reading
noun🔗ShareOpercule gingivalA gum flap covering (part of) a partially erupted tooth, usually a wisdom tooth."The dentist carefully removed the operculum, allowing the wisdom tooth to finally emerge. "Le dentiste a soigneusement retiré l'opercule gingival, permettant à la dent de sagesse de finalement émerger.medicineanatomybodypartChat with AIVocabulary GamePractice Reading
noun🔗ShareOpercule, couvercleA structure which serves as a cover or lid."The snail closed its operculum, sealing itself safely inside its shell. "L'escargot a fermé son opercule, s'enfermant en sécurité à l'intérieur de sa coquille.partbiologyanatomystructureorganismChat with AIVocabulary GamePractice Reading