hypersonic

Valid in Scrabble

Definition of hypersonic

2 senses · 1 part of speech · etymology included

adj

Of a speed, equal to, or greater than, or capable of achieving, five times the speed of sound.

“He said there was worry among intelligence and military officials that China or Russia could be experimenting with hypersonic technology.”

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adj

Of a speed, equal to, or greater than, or capable of achieving, five times the speed of sound.

“He said there was worry among intelligence and military officials that China or Russia could be experimenting with hypersonic technology.”
Of a speed, far enough above the speed of sound as to cause significant differences in behaviour due to chemical reactions or dissociation of the air.

Definitions from Wiktionary, CC BY-SA.

From hyper- + sonic. Doublet of supersonic.

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200+ playable · top: SYPHONIC (18 pts)

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