1. [syn: semitone, half step]
The Collaborative International Dictionary of English v.0.48:
Semitone \Sem"i*tone\, n. [Pref. semi- + tone. CF. Hemitone.]
Half a tone; -- the name commonly applied to the smaller
intervals of the diatonic scale.
Note: There is an impropriety in the use of this word, and
half step is now preferred. See Tone. --J. S. Dwight.
WordNet (r) 3.0 (2006):
n 1: the musical interval between adjacent keys on a keyboard
instrument [syn: semitone, half step]