What does phototelephony mean?
Phototelephony means (dated) The transmission of sound by means of light..
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Pronunciation varies by accent · noun
(dated) The transmission of sound by means of light..
Use phototelephony when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Phototelephony means (dated) The transmission of sound by means of light..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use phototelephony where its definition matches the intended context.
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