Definition of orthophonic in English:

orthophonic

Pronunciation /ˌɔːθə(ʊ)ˈfɒnɪk/

adjective

  • 1Linguistics
    rare Of or relating to orthophony.

  • 2Of a phonographic system: reproducing sounds correctly. Also as noun: an orthophonic phonograph.

Origin

Late 19th century; earliest use found in The Spirit of the Times: a chronicle of the turf, agriculture, field sports, literature and the stage. From ortho- + -phonic, after orthophony.