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There are 3 words beginning with HYPERSONI

HYPERSONIChypersonic adj. (Of a speed, aviation) Equal to, or greater than, or capable of achieving, five times the speed of sound.
hypersonic adj. (Of a speed, aeronautics) Far enough above the speed of sound as to cause significant differences in…
HYPERSONIC adj. flying at more than five times the speed of sound.
HYPERSONICShypersonics n. The study and development of hypersonic propulsion, and hypersonic aerodynamics.
HYPERSONICS n. the study of aircraft behaviour at speeds above Mach 5.
HYPERSONICALLYhypersonically adv. In a hypersonic way.
HYPERSONIC adv. flying at more than five times the speed of sound.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 3 words
  • Scrabble in French: 2 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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