These false enchanters or nigromanciens.
Chaucer.
Ni"gro*sine (? or ?), n. [From L. niger black.] (Chem.) A dark blue
dyestuff, of the induline group; -- called also azodiphenyl blue.
||Ni"gua (?), n. [Sp.] (Zoöl.) The chigoe.
||Ni"hil (?), n. [L.] Nothing.
||Nihil album [L., white nothing] (Chem.), oxide of zinc. See under
||Zinc. -- ||Nihil debet [L., he owes nothing] (Law), the general issue
||in certain actions of debt. -- ||Nihil dicit [L., he says nothing]
||(Law), a declinature by the defendant to plead or answer. Tomlins.
Ni"hil*ism (?), n. [L. nihil nothing: cf. F. nihilisme. See
Annihilate.] 1. Nothingness; nihility.
2. The doctrine that nothing can be known; scepticism as to all
knowledge and all reality.