n. [ Pref. de- + nitrate. ] A disengaging, or removal, of nitric acid. [ 1913 Webster ]
n. [ L. denigratio. ] 1. The act of making black. Boyle. [ 1913 Webster ]
2. Fig.: A blackening; defamation. [ 1913 Webster ]
The vigorous denigration of science. Morley. [ 1913 Webster ]