| Nigrification | n. [ L. nigrificare to blacken; niger black + -ficare (in comp.) to make. See -fy. ] The act or process of making black. [ R. ] Johnson. [ 1913 Webster ] |
| Nigrine | n. [ L. niger black: cf. F. nigrine. ] (Min.) A ferruginous variety of rutile. [ 1913 Webster ] |
| Nigritic | a. (Ethnol.) Pertaining to, or having the characteristics of, negroes, or of the Negritos, Papuans, and the Melanesian races; negritic. [ Webster 1913 Suppl. ] |
| Nigritude | n. [ L. nigritudo, fr. niger black. ] Blackness; the state of being black. Lamb. [ 1913 Webster ] |