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Word of the day

degree

1. The tones of the diatonic scale. The first degree of the scale is the tonic, the  second degree is the supertonic, the third degree is the mediant, the fourth degree is the subdominant, the fifth degree is the dominant, the sixth degree is the submediant, the seventh degree is the leading tone. 
 
See also scale. 
 
2. Each line and space on the music staff.