Also found in: Dictionary, Thesaurus, Medical, Acronyms, Wikipedia.
Related to sonic: sonic boom
1. of, involving, or producing sound
2. having a speed about equal to that of sound in air: 331 metres per second (741 miles per hour) at 0°C
Of or pertaining to the speed of sound.
Pertaining to that which moves at acoustic velocity, as in sonic flow.
Designed to operate or perform at the speed of sound, as in sonic leading edge.