Last Updated：2025/11/19

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(music) The major key with B as its tonic, with the notes B, C♯, D♯, E, F♯, G♯, and A♯, the key signature of which has five sharps. / (music) The major chord with a root of B.

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B major

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Source Word

B major

Noun

uncountable

(music) The major key with B as its tonic, with the notes B, C♯, D♯, E, F♯, G♯, and A♯, the key signature of which has five sharps. / (music) The major chord with a root of B.

Japanese Meaning

B長調: 音楽理論においてBを主音とする長調。音階はB, C♯, D♯, E, F♯, G♯, A♯から構成され、調号は五つのシャープを持つ。 / B長和音: Bを根音とする長三和音（長和音）。