natrophiliteChem.|nəˈtrɒfɪlaɪt| [f. natrium + Gr. ϕίλ-ος friendly + -ite.] A yellow resinous phosphate of manganese and sodium. 1890Brush & Dana in Amer.Jrnl.Sci.Ser. iii. XXXIX. 204 Another new member of the triphylite group, a sodium⁓manganese phosphate, which we shall call natrophilite.Ibid. 205–6.