Wiktionary
whole tone
n. (context music English) The musical interval equal (exactly or approximately) to two semitones or two-twelfths of an octave
WordNet
whole tone
n. a musical interval of two semitones [syn: tone, step, whole step]
Usage examples of "whole tone".
Even though Howard was telling the truth about the fencing, Strange's whole tone and manner made it seem that everything he was being told was a lie.
Because she knew Mia never did anything in a haphazard fashion, Ripley had to admit the whole tone was one of homey warmth and welcome.
His whole tone dismissed Keffria's conjectures as female silliness.
He understood it all in a moment, and the whole tone and colour of his countenance was altered.