photophony
The art or practice of using the photophoneThe art or practice of using the photophone.
Meaning
1 senses(historical, uncountable)The art or practice of using the photophone.
Origin
From photo- + -phony.From photo- + -phony.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable