極ごく超ちょう音おん速そく

also: きょくちょうおんそく

ご

く

ちょ

う

お

ん

そ

く

Meanings

hypersonic speed

Technical term for speeds above Mach 5, used in aerospace and engineering contexts.

超ちょう音おん速そく
Supersonic speed (above Mach 1). 極超音速 is a higher speed range, typically above Mach 5.

極超音速
- ごくちょうおんそく
  Standard kanji spelling. The reading ごくちょうおんそく is the most common; きょくちょうおんそく is a less common variant.
- きょくちょうおんそく
  Alternate reading, less common than ごくちょうおんそく. Learners should prioritize the ごく reading.
きょくちょうおんそく

Compound of 極 (extreme) + 超音速 (supersonic). The reading ごく is standard for 極 in this context; きょく is a less common variant.