HALF STEP


Meaning of HALF STEP in English

[half step] n (1904) 1: a walking step of 15 inches or in double time of 18 inches

2: a musical interval (as E-F or B-C) equivalent to one twelfth of an octave--called also semitone

Merriam-Webster English vocab.      Английский словарь Merriam Webster.