n. [ L. ampelitis, Gr. 'ampeli^tis, fr. 'a`mpelos vine. ] (Min.) An earth abounding in pyrites, used by the ancients to kill insects, etc., on vines; -- applied by Brongniart to a carbonaceous alum schist. [ 1913 Webster ]
‖n. [ NL., fr. Gr. 'a`mpelos vine + 'o`psis appearance. ] (Bot.) A genus formerly including the Virginia creeper. [ Webster 1913 Suppl. ]