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
photophone
CIDE DICTIONARY
photophone, n. [Photo- + Gr. sound.].
An apparatus for the production of sound by the action of rays of light. A. G. Bell. [1913 Webster]
For further exploring for "photophone" in Webster Dictionary Online