n. instrument in which sound is produced by actinic rays.
   ♦ actinophonic, a.

Dictionary of difficult words. 2015.

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  • Actinophone — Ac*tin o*phone, n. [Gr. ?, ?, ray + ? voice.] (Physics) An apparatus for the production of sound by the action of the actinic, or ultraviolet, rays. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • actinophone — …   Useful english dictionary