† ˈklingstoneMin.Obs. [ad. G. klingstein.] = clinkstone. 1800Henry Epit.Chem. (1808) 364 Soda [has been found] in basalt; in pitch-stone; and in kling-stone.1811Pinkerton Petral. I. 175 The klingstone employed in the preceding experiments was from the Donnersberg.