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Webster 1913 Edition
Harmoniphon
Har-mon′i-phon
(här-mŏn′ĭ-fŏn)
, Noun.
[Gr.
ἁρμονία
harmony + φωνή
sound.] (Mus.)
An obsolete wind instrument with a keyboard, in which the sound, which resembled the oboe, was produced by the vibration of thin metallic plates, acted upon by blowing through a tube.