dentiphone

English

Etymology

From Latin dens, dentis (“tooth”) + Ancient Greek φωνή (phōnḗ, “sound”).

Noun

dentiphone (plural dentiphones)

1. (dated) An instrument which, placed against the teeth, conveys sound to the auditory nerve; an audiphone.

References

• Edward H[enry] Knight (1877) “Dentiphone”, in Knight’s American Mechanical Dictionary. […], volumes I (A–GAS), New York, N.Y.: Hurd and Houghton […], →OCLC.
• “dentiphone”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.