Half step

The smallest interval on the standard keyboard. The interval between two adjacent keys (incl. both black and white keys) is a half step.the difference in pitch between any two adjacent keys on a piano keyboard. also called a halftone or semitone<br><br>The smallest interval on the standard keyboard. The interval between two adjacent keys (incl. both black and white keys) is a half step<br><br>A pitch difference of the amount that is present between adjacent keys on a piano.