Nihil \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.