natural minor scale
Music theory term for the minor scale with no raised leading tone, following the key signature exactly.
The natural minor scale has the same notes as the major scale starting from the sixth degree.
Harmonic minor scale; raises the seventh note, creating an augmented second between the sixth and seventh degrees.
Melodic minor scale; raises the sixth and seventh notes when ascending, but reverts to natural minor when descending.
Compound of 自然 (natural) + 短音階 (minor scale). A straightforward calque from Western music terminology.