sonic

/ˈsɑnɪk/
adjective
  1. Relating to sound or sound waves.
    • The sonic boom from the jet shook the windows.
    • The engineer studied the sonic properties of the new concert hall.
    • Bats use sonic signals to navigate in the dark.
  2. Moving at or relating to the speed of sound (about 767 miles per hour or 1,235 kilometers per hour at sea level).
    • The aircraft reached sonic speeds during the test flight.
    • Scientists measured the sonic threshold for the new rocket design.
    • Sonic barriers can cause turbulence for planes approaching the speed of sound.
Antonyms
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