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having a speed close to that of sound in air
- The aircraft moved at sonic speed, nearing the sound barrier.
- Engineers designed the car to reach sonic velocities for testing purposes.
- The experimental car reached sonic speeds during the final test lap.
- Military pilots trained for maneuvers at sonic speeds to improve reaction times.
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involving or relating to sound or sound waves
- The sonic vibrations from the speaker filled the room with music.
- Sonic frequencies beyond human hearing can be used for communication with animals.
- Sonic weapons can emit high-intensity sound waves for crowd control purposes.
- The sonic vibrations from the drums could be felt across the room.