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Subsonic vs Subsonically - What's the difference?

subsonic | subsonically |

As an adjective subsonic

is having a frequency too low to be audible.

As an adverb subsonically is

in a subsonic manner.

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

    subsonically

    English

    Adverb

    (en adverb)
  • In a subsonic manner.