Definition of semitone in English:

semitone

Line breaks: semi|tone
Pronunciation: /ˈsɛmɪtəʊn
 
/

noun

Music , British
The smallest interval used in classical Western music, equal to a twelfth of an octave or half a tone; a half step.
More example sentences
  • Smaller intervals were derived on the same principles, so that the octave could eventually be marked out into tones and semitones which might be combined to form other intervals.
  • The subject is almost all semitones, this time expressing yearning and anticipation, rather than sorrow.
  • I remember being particularly horrified at the drop of a semitone on the word ‘Dona’.

Definition of semitone in:

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