Lapis

{la’-pis) [L.]. A stone; an alchemic term applied to any nonvolatile substance. L. divinus, alumina ted copper. L. imperial is, silver nitrate. L. lazuli, a beautiful blue stone of complex composition, formerly employed as a purgative and emetic, and in epilepsy. L. lunar is, silver nitrate. L. mitigatus. diluted silver nitrate. 354