a scale progressing entirely by whole tones, as C, D, E, F♯, G♯, A♯, C.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
either of two scales produced by commencing on one of any two notes a chromatic semitone apart and proceeding upwards or downwards in whole tones for an octave. Such a scale, consisting of six degrees to the octave, is used by Debussy and subsequent composers
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