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monotelephone
Language
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English
edit
Etymology
edit
mono-
+
telephone
Noun
edit
monotelephone
(
plural
monotelephones
)
(
historical
)
An early
telephonic
device
that
transmits
only one specific
tone
.
Categories
:
English terms prefixed with mono-
English lemmas
English nouns
English countable nouns
English terms with historical senses