noun semi·tone \ˈse-mē-ˌtōn, ˈse-ˌmī-, -mi-\

music : a difference in sound that is equal to 1/12 of an octave

Full Definition of SEMITONE

:  the tone at a half step; also :  half step
semi·ton·ic \ˌse-mē-ˈtä-nik, ˌse-ˌmī-, -mi-\ adjective
semi·ton·i·cal·ly \-ni-k(ə-)lē\ adverb

First Known Use of SEMITONE

15th century


Next Word in the Dictionary: semitrailerPrevious Word in the Dictionary: semitonalAll Words Near: semitone
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