Definitions

1. noun

a unit of sound in a spoken language, especially in a word, as distinguished by its quality or timbre.

“The phon of the music instrument was rich and full-bodied.”

2. noun

a unit of sound or a sound unit in the phonetic transcription of a word.

“The phon of the word ‘cat’ is /kæt/.”

3. verb

to phon or to sound out.

“She phon the melody of the song.”