photophony
English
Etymology
From
photo-
+
-phony
.
Noun
photophony
(
uncountable
)
The art or practice of using the
photophone
.
References
“
photophony
”, in
Webster’s Revised Unabridged Dictionary
, Springfield, Mass.:
G. & C. Merriam
,
1913
,
→OCLC
.