noun🔗ShareSurface concave, concavitéA concave surface or curve."The inside of the bowl is a concave shape. "L'intérieur du bol est de forme concave.architecturemathscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareVoûte célesteThe vault of the sky."The vast concave of the night sky was dotted with stars. "La vaste voûte céleste de la nuit était parsemée d'étoiles.astronomyspaceChat with AIVocabulary GamePractice Reading
noun🔗ShareUne des sphères célestes du modèle ptolémaïque ou géocentrique du mondeOne of the celestial spheres of the Ptolemaic or geocentric model of the world."Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661)."Aristote fait bouger [le Feu] vers la concavité de la Lune. - Thomas Salusbury (1661).astronomyworldspacetheorymythologyChat with AIVocabulary GamePractice Reading
noun🔗ShareÉlément concaveAn element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting."The miner carefully adjusted the concave in the sifting machine to better separate the gold from the gravel. "Le mineur a soigneusement ajusté l'élément concave de la machine à tamiser pour mieux séparer l'or du gravier.agriculturemachineparttechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareConcavitéAn indentation running along the base of a surfboard, intended to increase lift."The concave on the bottom of the surfboard increases lift, making it easier to ride waves. "La concavité sur le dessous de la planche de surf augmente la portance, ce qui facilite la prise de vagues.sporttechnicalnauticalChat with AIVocabulary GamePractice Reading
noun🔗ShareConcavité, la forme concaveAn indented area on the top of a skateboard, providing a position for foot placement and increasing board strength."The concave on the skateboard allowed the skater to maintain a firm grip. "La concavité sur le skateboard a permis au skateur de maintenir une bonne adhérence.sporttechnicalstructurevehicledeviceChat with AIVocabulary GamePractice Reading
verb🔗ShareRendre concaveTo render concave, or increase the degree of concavity."The sculptor used a special tool to concave the inside of the bowl further, creating a deeper depression. "Le sculpteur a utilisé un outil spécial pour rendre l'intérieur du bol plus concave, créant ainsi une dépression plus profonde.appearancestructuretechnicalChat with AIVocabulary GamePractice Reading
adjective🔗ShareConcaveCurved like the inner surface of a sphere or bowl"The inside of the soup bowl was concave, making it perfect for scooping up the last bits of soup. "L'intérieur du bol à soupe était concave, ce qui le rendait parfait pour ramasser les dernières bouchées de soupe.appearanceChat with AIVocabulary GamePractice Reading
adjective🔗ShareConcave(of a polygon) not convex; having at least one internal angle greater than 180 degrees."The shape of the garden plot was concave, with a large inward curve in one section. "La forme du terrain du jardin était concave, avec une grande courbe rentrante dans une section.mathtechnicalstructurescienceChat with AIVocabulary GamePractice Reading
adjective🔗ShareConcave(of a real-valued function on the reals) satisfying the property that all segments connecting two points on the function's graph lie below the function."The graph of the student's test scores showed a concave pattern; each segment connecting two test scores lay below the curve. "Le graphique des résultats de l'élève présentait un motif concave ; chaque segment reliant deux notes se situait en dessous de la courbe.mathfunctiontechnicalChat with AIVocabulary GamePractice Reading
adjective🔗ShareCreux, concaveHollow; empty"The old, concave dish was almost empty after the family dinner. "Le vieux plat concave était presque vide après le dîner familial.appearancearchitectureanatomymathsciencetechnicalChat with AIVocabulary GamePractice Reading
