semitone

noun — 4 senses

semitone

noun

/ˈsɛmitoʊn/

Etymology From semi- + tone.

1

Entertainment, Lifestyle, Music One of two parts, equal or unequal, in which a whole tone is divided.

2

Entertainment, Lifestyle, Music The semitone in 12-tone equal temperament, with frequency ratio of the twelfth root of two.

3

Entertainment, Lifestyle, Music Broadly Any of the pitches of a chromatic scale.

4

Entertainment, Lifestyle, Music An interval equal to an augmented unison or a minor second, depending on the context and tuning system used.

Synonyms
half step, halftone
Derived terms
chromatic semitone, diatonic semitone, semitonic, subsemitone
Related terms
hemitonic, cent

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.