actinophonic

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• Actinophonic — Ac*tin o*phon ic, a. (Physics) Pertaining to, or causing the production of, sound by means of the actinic, or ultraviolet, rays; as, actinophonic phenomena. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

• actinophone —   n. instrument in which sound is produced by actinic rays.    ♦ actinophonic, a …   Dictionary of difficult words