pentatonic scale

[ pen-tuh-ton-ik, pen- ]
/ ˈpɛn təˈtɒn ɪk, ˌpɛn- /

noun Music.

a scale having five tones to an octave, as one having intervals that correspond to the five black keys of a piano octave.

Origin of pentatonic scale

First recorded in 1860–65; penta- + tonic

British Dictionary definitions for pentatonic scale

pentatonic scale
/ (ˌpɛntəˈtɒnɪk) /

noun

music any of several scales consisting of five notes, the most commonly encountered one being composed of the first, second, third, fifth, and sixth degrees of the major diatonic scale