单词 | actinophone |
释义 | actinophonen. rare. Now disused. An apparatus in which sound is produced as a result of the action of sunlight on it. ΚΠ 1881 A. G. Bell in Nature 12 May 44 We have decided to..limit the word..actinophone..to apparatus for the production of sound..by actinic rays. 1908 W. L. Hubbard Musical Dict. 14/1 Actinophone, an instrument in which a sound is produced by the successive expansions and contractions of a body under the action of a rapidly intermittent ray of concentrated sunlight. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021). < |
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