actinophone
(ækˈtɪnəfəʊn)
[f. actino- + -ϕων-ος sounding, vocal.]
(See quot.)
| 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. |
actinophone
(ækˈtɪnəfəʊn)
[f. actino- + -ϕων-ος sounding, vocal.]
(See quot.)
| 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. |
Oxford English Dictionary