† verdateChem.Obs. [f. verd-ic a. + -ate1 1 c.] (See quot. 1859.) 1843Penny Cycl. XXVI. 256/1 The earthy or metallic verdites are yellow, while the verdates of the same bases are green.1859Mayne Expos.Lex., Verdate,..a combination of verdic acid with a salifiable base.