n. [ F. horoscope, L. horoscopus, fr. Gr. &unr_;, adj., observing hours or times, esp. observing the hour of birth, n., a horoscope; &unr_; hour + &unr_; to view, observe. See Hour, and -scope. ]
n. [ Phosphorus + -scope. ] (Physics) An apparatus for observing the phosphorescence produced in different bodies by the action of light, and for measuring its duration. [ 1913 Webster ]