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“actinophones”
An instrument used for the production of sound by the action of ultraviolet rays: An actinophone is used for the creation of sound with rays involving the property or force in the sun's rays by which chemical changes are effected, as in photography.
This entry is located in the following units:
actino-, actin-, actini-, -actinal, actis- +
(page 4)
phon-, phono-, -phone, -phonia, -phonic, -phonetic, -phonous, -phonically, -phonetically, -phony +
(page 1)