ACTINOPHONE
Source: 567
Ac‐tin″o‐phone (?), n. [] (Physics) An apparatus for the production of sound by the action of the actinic, or ultraviolet, rays.
Source: 567
Ac‐tin″o‐phone (?), n. [] (Physics) An apparatus for the production of sound by the action of the actinic, or ultraviolet, rays.