A diatonic scale with notes separated by whole tones except for the 2nd and 3rd and 5th and 6th WordNet 3.0 & Open English WordNet

In music theory, the minor scale is three scale patterns – the natural minor scale, the harmonic minor scale, and the melodic minor scale – mirroring the major scale, with its harmonic and melodic forms In each of these scales, the first, third, and fifth scale degrees form a minor triad. Wikipedia

musical quality Wikidata

Any diatonic scale whose first, third, and fifth scale degrees form a minor triad. Wiktionary

Diatonic scale. Wiktionary (translation)