| 释义 |
ameliorator|əˈmiːlɪəˌreɪtə(r)|
[f. ameliorate + -or, after L. analogies; cf. arbitrator.]
He who, or that which, ameliorates.
1865Buckman Sc. in Farm Cult. xi. 74 The admixture of manures or ameliorators, such as guano. 1872Yeats Growth & Viciss. Comm. 272 The ameliorator of agricultural distress was François. 1877W. Thomson Voy. Challenger I. ii. 121 Our beneficent ameliorator, the Gulf-stream. |