tritone
A musical interval spanning three whole tones (augmented fourth or diminished fifth). Used in music theory and composition.
The tritone was called the 'devil's interval' in the Middle Ages.
減五度 is the diminished fifth, another enharmonic equivalent of the tritone, distinguished by its spelling in musical notation.
Standard kanji spelling for the musical term 'tritone'.
Variant using the numeral 3 instead of the kanji 三; less common but still encountered.
Compound of 三 (three), 全 (whole), and 音 (tone), literally 'three whole tones'. A direct translation of the Western musical term 'tritone'.