Supersonically

supersonic

[soo-per-son-ik]
adjective
1.
greater than the speed of sound waves through air.
2.
capable of achieving such speed: a supersonic plane.

Origin:
1915–20; super- + sonic

supersonically, adverb
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World English Dictionary
supersonic (ˌsuːpəˈsɒnɪk)
 
adj
being, having, or capable of reaching a speed in excess of the speed of sound: supersonic aircraft
 
super'sonically
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

supersonic
1919, "of or having to do with sound waves beyond the limit of human hearing," from super- + sonic. Attested from 1934 in sense of "exceeding the speed of sound" (especially as a measure of aircraft speed), leaving the original sense to ultrasonic (1923).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

supersonic su·per·son·ic (sōō'pər-sŏn'ĭk)
adj.

  1. Having, caused by, or relating to a speed greater than the speed of sound in a given medium, especially air.

  2. Of or relating to sound waves beyond human audibility.


su'per·son'i·cal·ly adv.
The American Heritage® Stedman's Medical Dictionary
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American Heritage
Science Dictionary
supersonic  [%PREMIUM_LINK%]     (s'pər-sŏn'ĭk)  Pronunciation Key 
Having a speed greater than that of sound in a designated medium, usually air; having a speed greater than Mach 1. Compare hypersonic, subsonic, transonic.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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