Whole tone, also known as whole step, refers to a musical interval of two semitones, or two frets on a guitar. The whole tone creates a sound that is often described as airy or floaty. There are several synonyms for whole tone in the musical vocabulary, including whole step, major second, and tone tone. The term "whole step" refers to the distance, or interval, between two notes on the musical scale, while the term "major second" is used in music theory to describe the interval between two pitches. Lastly, "tone tone" is a shorthand way of describing a whole tone interval in music theory. Synonyms for any musical term help in developing a better understanding of musical language and its expressions.