Compounds of 音速

• 音速
  (n) speed of sound
• 亜音速
  (n,adj-no) subsonic speed
• 遷音速
  (n) transonic (speed)
  transsonic (speed)
• 超音速
  (n) supersonic speed
  (P)
• 超音速輸送機
  (n) supersonic transport
  SST
• 超音速旅客機
  (n) supersonic airliner (i.e. the Concorde)