Supershadow vs Hypersonic - What's the difference?

supershadow | hypersonic |


Not English

Supershadow has no English definition. It may be misspelled.



(en adjective)
  • (of a speed, aviation) equal to, or greater than, or capable of achieving, five times the speed of sound.
  • (of a speed, aeronautics) far enough above the speed of sound as to cause significant differences in behaviour due to chemical reactions or disassociation of the air.