Learn how to say Monophony correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word monophonic:
1(of sound reproduction) using only one channel of transmission. Compare with stereophonic.
2 Music having a single melodic line without harmonies or melody in counterpoint. Compare with homophonic and polyphonic.
early 19th century: from mono- ‘one’ + Greek phonē ‘sound’ + -ic