Wiktionary
whole step
n. (context music English) An interval equal to two half steps or a ratio of
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WordNet
whole step
n. a musical interval of two semitones [syn: tone, whole tone, step]
Usage examples of "whole step".
After he learns to do that, it will b e another whole step to make him see that fruit is not a thing he must rely on the hands of mankind for, but grows on trees.