supertonic

from WordNet (r) 3.0 (2006)
supertonic
    n 1: (music) the second note of a diatonic scale
    
from The Collaborative International Dictionary of English v.0.48
Supertonic \Su`per*ton"ic\, n. (Mus.)
   The note next above the keynote; the second of the scale.
   --Busby.
   [1913 Webster]
    

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