Diaphone
A diaphone is called
- in ancient Greek music every dissonant (discordant) interval
- in medieval music the organum , the oldest type of two or more part movement
- in phonology the totality of all different forms of a phoneme , that is, the totality of the allophones
- a pipe type in organ building
- a compressed air operated fog horn: Diaphon (fog horn)
