diminished fifth
English · Thesaurus
AI In plain words
Writing a short explanation…
Written by a house AI from the entry below, in your language. The entry itself is the source.
diminished fifth
noun diminished fifths
-
A type of tritone in musical composition formed by narrowing a perfect fifth by one chromatic semitones. In twelve-tone equal temperament, it spans five diatonic scale degrees like a perfect fifth but narrower by a semitone. The number of diatonic degrees it spans is what distinguishes it from an augmented fourth.
C - G is a perfect fifth, C - G♭ is a diminished fifth, and C - G# is an augmented fifth.
Similar: flatted fifth
Talk about this word "diminished fifth." Wiktionary, via Micwyn, micwyn.com/word/diminished%20fifth. Accessed 6 Nov. 2026. diminished fifth. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/diminished%20fifth "diminished fifth." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/diminished%20fifth.Cite this
@misc{diminished_fifth_2026,
title = {diminished fifth},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/diminished%20fifth},
urldate = {2026-11-06}
}
