What does "b minor" mean?

a minor key with the notes B, C♯, D, E, F♯, G, A

What is a synonym for "b minor"?

Common synonyms include: b, bm.

noun

noun ·Rare ·Advanced level

Noun

1
a minor key with the notes B, C♯, D, E, F♯, G, A uncountable
"{\key b\minor b'cisdefisgab2}"
2
the minor chord with a root of B uncountable
"1"