Last Updated：2025/11/23

Dictionary quizzes to help you remember the meaning

Dictionary quizzes to help you remember the meaning

perfect fifth

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Source Word

perfect fifth

Noun

(music) an interval equal to that of between the second and third harmonics of the harmonic series; in equal temperament, an interval of seven semitones spanning five degrees of the diatonic scale. It is enharmonically equivalent to a diminished sixth.

Japanese Meaning

音楽理論における音程の一種で、「完全五度」と呼ばれる。具体的には、調和系列の第2倍音と第3倍音の間隔に相当し、等音律では七半音にあたる。ダイアトニック・スケール上で五番目の音までを含み、拡張的には減六度と同音異義となる。

What is this buttons?

When tuning the string quartet, she adjusted the cello by ear until the perfect fifth matched the violin's note.

Google Translation / DeepL Translation

弦楽四重奏を調律する際、彼女はチェロを耳で合わせ、完全五度がバイオリンの音と一致するまで微調整した。

Sense（1）

(music) an interval equal to that of between the second and third harmonics of the harmonic series; in equal temperament, an interval of seven semitones spanning five degrees of the diatonic scale. It is enharmonically equivalent to a diminished sixth.

The perfect fifth has a pitch ratio close to 3:2.

Google Translation / DeepL Translation

perfect fifths

（ plural ）

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