Semitone

//ˈsɛmitoʊn// noun

Definitions

Noun
  1. 1
    A musical interval equal to an augmented unison or a minor second, depending on the context and tuning system used
  2. 2
    the musical interval between adjacent keys on a keyboard instrument wordnet
  3. 3
    Any of the pitches of the chromatic scale

Etymology

From semi- + tone.

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