bn:00042640n
Noun Concept
Categories: Seconds (music), Minor intervals
EN
semitone  half step  apotome  Demiton  diatonic semitone
EN
The musical interval between adjacent keys on a keyboard instrument WordNet 3.0
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EN
A semitone, also called a half step or a half tone, is the smallest musical interval commonly used in Western tonal music, and it is considered the most dissonant when sounded harmonically. Wikipedia
Basic musical interval Wikidata
An interval of which there are seven in a fifth or twelve in an octave, consisting of two tones whose frequency ratio is about 1.059 or 18/17. Wiktionary
The musical interval equal (exactly or approximately) to half a tone or one-twelfth of an octave. Wiktionary