basis /ˈbeisis/ n. ［c］ (pl.bases /ˈbeisi:z/)根据，基础：lay the basis for… 为…奠定基础；a theoretical basis 理论基础The rumor had no basis.该谣传没有根据。on the basis of…根据…：Don‘t evaluate a person on the basis of appearance. 切勿以貌取人。

［辨析］与base, foundation 辨见base