Auxetophone definition

(historical) A pneumatic type of sound-playback device used in the early part of the twentieth century.
noun
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Other Word Forms

Noun

Singular:
auxetophone
Plural:
auxetophones

Origin of auxetophone

  • Formed from Ancient Greek αὐξητός (auksētos, “that can be increased”) + φωνή (phōnē, “sound”).

    From Wiktionary