Of or pertaining to the speed of a body in a surrounding fluid when the
relative speed of the fluid is → subsonic in some places
and → supersonic
→ trans-; → sonic.
Flow of a fluid over a body with a speed in the range just above and below the
→ Mach number 1.
→ transonic; → flow.
© 2005-2022 by M. Heydari-Malayeri