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Hypersonic vs Subsonic - What's the difference?

hypersonic | subsonic | Related terms |

Subsonic is a related term of hypersonic.



As adjectives the difference between hypersonic and subsonic

is that hypersonic is equal to, or greater than, or capable of achieving, five times the speed of sound while subsonic is having a frequency too low to be audible.

hypersonic

English

(wikipedia hypersonic)

Adjective

(en adjective)
  • (of a speed, aviation) equal to, or greater than, or capable of achieving, five times the speed of sound.
  • (of a speed, aeronautics) far enough above the speed of sound as to cause significant differences in behaviour due to chemical reactions or disassociation of the air.

    • Related terms

    * plasmasonic * supersonic * transonic * subsonic

    subsonic

    English

    (wikipedia subsonic)

    Adjective

    (-)
  • (of a sound) having a frequency too low to be audible
  • (of a speed) less than the speed of sound (in the same medium, and at the same temperature and pressure)
  • (fluid mechanics, of a flow) with a Mach number such that 0.3 < Ma < 0.8 (approximately - the exact limits vary between sources).

    • Related terms

    * plasmasonic * hypersonic * supersonic * transonic