Akademik

pentatone
noun
a gapped scale with five notes; usually the fourth and seventh notes of the diatonic scale are omitted
Syn: ↑pentatonic scale
Derivationally related forms: ↑pentatonic
Hypernyms: ↑gapped scale

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\\ˈpentəˌtōn\ noun
Etymology: penta- + tone
: pentatonic scale

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pentatone Mus. rare—0.
(ˈpɛntətəʊn)
[f. penta- + tone, after tritone.]
‘An interval of five whole tones, an augmented sixth’ (Stainer & Barrett).

Useful english dictionary. 2012.