SUBSONIC


Meaning of SUBSONIC in English

[sub.son.ic] adj [ISV] (1937) 1: of, relating to, or being a speed less than that of sound in air

2: moving, capable of moving, or utilizing air currents moving at a subsonic speed

3: infrasonic 1 -- sub.son.i.cal.ly adv

Merriam-Webster English vocab.      Английский словарь Merriam Webster.