Phōs'phor-ōs, n.
n. [From Lat. phosphorus, Gr. φωσφόρος, i. e., light-bringer, from φῶς, light, and φέρω, to bring; Fr. phosphore, L. & Sp. fósforo. See PHOSPHOR.]
Sense 1. The morning star; Phosphor.
Sense 2. (Chem.) An elementary substance, of a yellowish color, and semi-transparent, resembling fine wax. It burns in common air with great rapidity, and in oxygen gas with the greatest vehemence. Even at the common temperature, it combines with oxygen, undergoing a slow combustion, and emitting a luminous vapor.