Definition of RAPIDITY

rapidity

Plural: rapidities

Noun

  • The quality or state of being rapid; great speed or swiftness.
  • a rate that is rapid
  • speed, swiftness; the condition of being rapid
  • A measure of velocity relative to the speed of light; defined as artanh(v), where artanh is the hyperbolic arctangent, and v = speed (with c = speed of light = 1).
  • A measure of the velocity of a particle in a beam relative to the beam's axis

Examples

  • The rapidity of her bingos was astounding, leaving her opponent speechless.

Origin / Etymology

From rapid + -ity, from French rapidité, from Latin rapiditas.

Scrabble Score: 14

rapidity: valid Scrabble (US) TWL Word
rapidity: valid Scrabble Word in Merriam-Webster MW Dictionary
rapidity: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 14

rapidity: valid Words With Friends Word