su´per|son´i|cal|ly

su´per|son´i|cal|ly
su|per|son|ic «SOO puhr SON ihk», adjective, noun.
–adj.
1. of or having to do with sound waves beyond the limit of human audibility (above frequencies of 20,000 cycles per second); ultrasonic: »

When mutations are induced in fruit flies by…supersonic vibrations or some other artificial means, most of them are lethal (Scientific American).

2. greater than the speed of sound in air at normal pressure and temperature (about 1,100 feet or 335 meters per second): »

The difference in air flow between subsonic and supersonic speeds in turn has created a wholly new branch of aerodynamics (Scientific American).

3. capable of moving at a speed greater than the speed of sound: »

supersonic aircraft.

–n.
a supersonic wave.
su´per|son´i|cal|ly, adverb.

Useful english dictionary. 2012.

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  • su|per|son|ic — «SOO puhr SON ihk», adjective, noun. –adj. 1. of or having to do with sound waves beyond the limit of human audibility (above frequencies of 20,000 cycles per second); ultrasonic: »When mutations are induced in fruit flies by…supersonic… …   Useful english dictionary

  • hy|per|son|ic — «HY puhr SON ihk», adjective. 1. denoting any speed which is five or more times faster than the speed of sound in a given medium. In air, hypersonic speed is at least 5,435 feet (1,657 meters) per second. 2. that which moves or is able to move at …   Useful english dictionary

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