Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
phosphoroscope
CIDE DICTIONARY
phosphoroscope, n. [Phosphorus + -scope.].
An apparatus for observing the phosphorescence produced in different bodies by the action of light, and for measuring its duration. [1913 Webster]
For further exploring for "phosphoroscope" in Webster Dictionary Online