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pentatonic scale

[pen-tuh-ton-ik, pen-]
noun Music.
  1. a scale having five tones to an octave, as one having intervals that correspond to the five black keys of a piano octave.
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Origin of pentatonic scale

First recorded in 1860–65; penta- + tonic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pentatonic scale

pentatonic scale

noun
  1. 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
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012