[mass noun]the supposed practice of communicating with the dead, especially in order to predict the future (尤指为预测未来)召亡魂问卜的巫术 ■witchcraft, sorcery, or black magic in general [总称]巫术;妖术
派生 necromancer noun necromantic adjective 语源
Middle English nigromancie, via Old French from medieval Latin nigromantia, changed (by association with Latin niger, nigr- 'black') from late Latin necromantia, from Greek (see necro-, -mancy). The spelling was changed in the 16th cent. to conform with the late Latin form