Semiditone
Pronunciation : Sem`i*di"tone`
Part of Speech : n.
Etymology : [Pref. semi- + ditone: cf. It. semiditono. Cf. Hemiditone.] (Gr. Mus.)
Definition : Defn: A lesser third, having its terms as 6 to 5; a hemiditone. [R.]
Source : Webster's Unabridged Dictionary, 1913