meliorant
(ˈmiːlɪərənt)
[ad. late L. meliōrantem pr. pple. of meliōrāre: see meliorate v.]
Something that makes better; an improver.
| 1920 G. Saintsbury Notes on Cellar-Bk. 102, I am afraid that the ‘whets’ of our ancestors were rather stimulants to drinking..than meliorants of appreciation. |