succedaneum

英 [sʌksɪ'deɪnɪəm] 美 [ˌsʌksɪ'deɪniːəm]

• n. 代用；代用药；代理者

英英释义

Noun:

1. (medicine) something that can be used as a substitute (especially any medicine that may be taken in place of another)