d30e526 1471 Ripley Comp. Alch. in Ashm. 1652, 190 Waters corrosyve and waters ardent [i.e. acids and spirits].
d30e527 1674 Petty Disc. bef. R. Soc. 93 The Spirituosity of Liquors, or in what proportions several Liquors contein more or less of inflameable or ardent parts.
d30e534 1799 G. Smith Laboratory II. 437 An Ardent Water to engrave Steel deeply. . .Take a sponge, dipt into ardent water.