foundation /faunˈdeiʃən/ n. ［c］ & ［u］ 1. 屋基，基础(用pl.或sing.均可)：A building must be laid on a firm foundation. 一幢房子必须建筑在坚实的基础上。2.［u］根据: This theory has no foundation in fact. 这种理论实际上是没有根据的。The rumour is without foundation. 谣言凭空而生。3.基金会(大写)；基金：Soong Ching-ling Foundation 宋庆龄基金会；a foundation for research 研究基金

［辨析］与base和basis 辨见base