expĕrīmentum, i, n. id., a proof, test, trial, experiment (mostly post-Aug.; cf.: documentum periculum): nimirum hoc maximum est experimentum, cum constet aegritudinem vetustate tolli, etc., * Cic. Tusc. 3, 30, 74: Metello experimentis cognitum erat, genus Numidarum infidum esse, Sall. J. 46, 3; cf. Tac. A. 13, 24: lenitatis, id. ib. 15, 24: virtutis, Vell. 2, 116, 1; Just. 15, 3, 1: in omnibus fere minus valent praecepta quam experimenta, Quint. 2, 5, 15: medici experimenta per mortis agunt, Plin. 29, 1, 8, § 18; 13, 2, 3, § 19: experimento probare, Vulg. Esth. 3, 5.— Experience (post-Aug.; cf. experientia): experimento meo ac natura ipsa duce, Quint. 6, 2, 25: longo experimento testata gloria, Val. Max. 3, 7, 6 fin.: Africa contenta qualicumque principe post experimentum domini minoris, Tac. H. 1, 11: sed experimentum contra fuit, the event, result, id. A. 2, 97 fin.—Plur.: haec autem cognosci experimentis, Cels. 1 prooem. pp. 9, 10 Milligan: Trebellius segnior et nullis castrorum experimentis provinciam tenuit, Tac. Agr. 16.