Meanings
nounminor ninth (plural minor ninths)
plural minor ninths
- entertainmentA musical interval in Western music consisting of an octave widened by a diatonic semitone.
Synonyms: compound minor second
Synonyms & antonyms
nounA musical interval in Western music consisting of an octave widened by a diatonic semitone.
Similar
compound minor second
Cite this entry
APA
minor ninth. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/minor%20ninth
MLA
“minor ninth.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/minor%20ninth. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “minor ninth,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/minor%20ninth.
Source: minor ninth on Wiktionary, CC BY-SA 4.0.