Noun
scale degree (plural scale degrees)
(music) a number given to each note of a scale
Also commonly used is the (movable do) solfège naming convention in which each scale degree is denoted by a syllable. Source: Internet
As an abstract theoretical entity (that is, outside a particular musical context), the chromatic scale is usually notated such that no scale degree is used more than twice in succession (for instance G flat - G natural - G sharp). Source: Internet
The Dorian mode ( About this sound listen ( help · info ) ) corresponds to the natural minor scale with the submediant (sixth scale degree) raised a semitone. Source: Internet
The Phrygian mode ( About this sound listen ( help · info ) ) corresponds to the natural minor scale with the supertonic (second scale degree) lowered a semitone. Source: Internet
Scales in the Lydian mode ( About this sound listen ( help · info ) ) are major scales with the subdominant (fourth scale degree) raised by a semitone. Source: Internet
Therefore, the seventh scale degree becomes a subtonic to the tonic because it is now a whole tone lower than the tonic, in contrast to the seventh degree in the major scale, which is a semitone tone lower than the tonic ( leading-tone ). Source: Internet