Definition of sonic
1 : utilizing, produced by, or relating to sound waves sonic altimeter; broadly : of or involving sound sonic pollution
2 : having a frequency within the audibility range of the human ear —used of waves and vibrations
3 : of, relating to, or being the speed of sound in air or about 761 miles per hour (1224 kilometers per hour) at sea level at 59°F (15°C)
sonicallyplay \-ni-k(ə-)lē\ adverb
Did You Know?
A sonic boom is an explosive sound created by a shock wave formed at the nose of an aircraft. In 1947 a plane piloted by Chuck Yeager burst the "sound barrier" and created the first sonic boom. In the decades afterward sonic booms became a familiar sound to Americans. (Because of steps that were eventually taken, sonic booms are rarely heard anymore.) Today sonic is often used by ambitious rock musicians to describe their experimental sounds.
First Known Use of sonic
SONIC Defined for English Language Learners
Definition of sonic for English Language Learners
: of or relating to sound, sound waves, or the speed of sound
SONIC Defined for Kids
Definition of sonic for Students
: using, produced by, or relating to sound waves
Word Root of sonic
The Latin word sonāre, meaning “to make a noise,” gives us the root son. Words from the Latin sonāre have something to do with making noise. A sound is a noise made by someone or something. Something sonic uses the waves noises make as they travel through the air. A sonata is a musical piece in which only one instrument makes noise. To resound is to become filled with noise.
Seen and Heard
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