photophone

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Contents

1 English
- 1.1 Etymology
- 1.2 Noun
  - 1.2.1 Related terms

English[edit]

Etymology[edit]

photo- +‎ -phone

Noun[edit]

Wikipedia has an article on:

photophone

photophone (plural photophones)

(historical) A device that transmitted sound on a beam of light.

Related terms[edit]

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