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subsonic

The correct spelling is subsonic.

How to pronounce subsonic

noun

Say it like: Sub-son-ic

The correct spelling is subsonic. An aircraft whose maximum speed is less than the speed of sound For example: "The noise of the ship was all around her. The faint subsonic rumble of the reactor and drive. (Leviathan Wakes, James S. A. Corey)"

Usage Examples

The noise of the ship was all around her. The faint subsonic rumble of the reactor and drive. (Leviathan Wakes, James S. A. Corey)

Meanings

noun

  1. 1.An aircraft whose maximum speed is less than the speed of sound

adjective

  1. 1.(of a sound, scientific) having a frequency too low to be audible
  2. 2.(of a sound, literary) very quiet, almost inaudible
  3. 3.(of a speed) less than the speed of sound (in the same medium, and at the same temperature and pressure)
  4. 4.(of a flow) with a Mach number such that 0.3 < Ma < 0.8 (approximately - the exact limits vary between sources)

Similar words

Words related in meaning — check their spelling too.

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