subsonics ( synonym found)
Definition of subsonics:

°(of a sound) having a frequency too low to be audible.
°(of a speed) less than the speed of sound (in the same medium, and at the same temperature and pressure).
Definition of subsonics:

°(of a sound) having a frequency too low to be audible.
°(of a speed) less than the speed of sound (in the same medium, and at the same temperature and pressure).
Back to Top