subsonic

English

adj
Definitions
  • (of a sound, scientific) having a frequency too low to be audible
  • (of a sound, literary) very quiet, almost inaudible
  • (of a speed) (aviation) less than the speed of sound (in the same medium, and at the same temperature and pressure)
  • (fluid mechanics) with a Mach number such that 0.3 < Ma < 0.8 (approximately - the exact limits vary between sources)

Etymology

Affix from English sonic.

Origin

English

sonic

Gloss

Timeline

Distribution of cognates by language

Geogrpahic distribution of cognates

Cognates and derived terms