Associations to the word «Hypersonic»

Wiktionary

HYPERSONIC, adjective. (of a speed) (aviation) equal to, or greater than, or capable of achieving, five times the speed of sound.
HYPERSONIC, adjective. (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.

Wise words

It is only with the heart that one can see rightly; what is essential is invisible to the eye.
Antoine de Saint-Exupery