[mass noun]the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogues 几何学 ■[count noun](pl. -ies)a particular mathematical system describing such properties 几何(体系) non-Euclidean geometries. 非欧几何。 ■[in sing.]the shape and relative arrangement of the parts of something 几何形状,几何构造 the geometry of spiders' webs. 蜘蛛网的几何形状。
派生 geometrician [ˌdʒiːəmɪˈtrɪʃ(ə)n] noun 语源
Middle English: via Old French from Latin geometria, from Greek, from gē 'earth' + metria (see -metry)