noun Download 🔗Share A surface, all of whose cross sections are elliptic or circular (including the sphere), that generalises the ellipse and in Cartesian coordinates (x, y, z) is a quadric with equation x2/a2 + y2/b2 + z2/c2 = 0. Examples : "The Earth is not perfectly round; it's slightly flattened at the poles, making its shape closer to an ellipsoid. " math science physics Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Such a surface used as a model of the shape of the earth. Examples : "Here the geoid is thirty meters below the ellipsoid." geography astronomy math Chat with AIVocabulary GamePractice Reading
adjective Download 🔗Share Shaped like an ellipse; elliptical. Examples : "The planet Venus has an ellipsoid shape, slightly squashed at the poles. " math science appearance Chat with AIVocabulary GamePractice Reading
adjective Download 🔗Share Of or pertaining to an ellipse; elliptic. Examples : "The teacher drew an ellipsoid shape on the whiteboard to illustrate the concept of an ellipse. " math science Chat with AIVocabulary GamePractice Reading
adjective Download 🔗Share Having the tridimensional shape of an ellipse rotated on its long axis. Examples : "The slightly flattened football has an ellipsoid shape. " math physics astronomy space Chat with AIVocabulary GamePractice Reading