noun🔗ShareAnneau, structure annulaireA ring- or donut-shaped area or structure."The dartboard featured a red annulus worth double points. "Le jeu de fléchettes comportait un anneau rouge valant le double de points.areapartstructureanatomymedicinebiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareAnneauThe region in a plane between two concentric circles of different radii."The target around the bullseye had an annulus of blue paint. "La cible autour du centre avait un anneau de peinture bleue.mathareaChat with AIVocabulary GamePractice Reading
noun🔗ShareAnneauAny topological space homeomorphic to the region in a plane between two concentric circles of different radius."The donut's shape, with its central hole, is an example of an annulus. "La forme du beignet, avec son trou central, est un exemple d'anneau.mathspaceChat with AIVocabulary GamePractice Reading
noun🔗ShareAnneau, anneau solaireThe ring of the sun not covered by the moon in an annular solar eclipse."During the annular solar eclipse, a bright annulus of sunlight remained visible around the dark moon. "Pendant l'éclipse solaire annulaire, un anneau solaire brillant est resté visible autour de la lune sombre.astronomyspacescienceChat with AIVocabulary GamePractice Reading
noun🔗ShareAnneau, anneau de l'indusieStructure in a fern that consists of differentially thick-walled cells on a sporangium that bend and distort as a result of drying."The science student observed how the annulus on the fern's sporangium dried and snapped back, scattering spores into the air. "L'étudiant en sciences a observé comment l'anneau sur le sporange de la fougère séchait et se repliait, dispersant les spores dans l'air.biologyplantstructurepartChat with AIVocabulary GamePractice Reading
noun🔗ShareAnneau, anneletThe membranous remnants of a partial veil which leaves a ring on the stem of a mushroom."The young mushroom had a prominent annulus, a delicate ring around its stem, showing where the cap had once been connected. "Le jeune champignon avait un anneau proéminent, un anneau délicat autour de son pied, montrant où le chapeau avait été autrefois connecté.organismplantbiologypartChat with AIVocabulary GamePractice Reading
noun🔗ShareEspace annulaire(oil and gas production) The space contained between the centre well bore and any external tubing. Sometimes used for separated gas flow."During the well test, engineers monitored the pressure in the annulus to ensure no gas was leaking from the production tubing. "Pendant le test du puits, les ingénieurs ont surveillé la pression dans l'espace annulaire pour s'assurer qu'aucun gaz ne fuyait du tubage de production.technicalindustryenergyChat with AIVocabulary GamePractice Reading
