d30e534 1799 G. Smith Laboratory II. 437 An Ardent Water to engrave Steel deeply. . .Take a sponge, dipt into ardent water.
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.