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sonic vs. super sonic

[ son-ik ]
/ ˈsɒn ɪk /

adjective
  1. of or relating to sound.
  2. noting or pertaining to a speed equal to that of sound in air at the same height above sea level.
[ soo-per-son-ik ]
/ ˌsu pərˈsɒn ɪk /

adjective
  1. greater than the speed of sound waves through air.
  2. capable of achieving such speed: a supersonic plane.
  3. ultrasonic.

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