rapidity

English

Etymology

From French rapidité.

Pronunciation

  • IPA(key): /ɹəˈpɪdɪti/

Noun

rapidity (countable and uncountable, plural rapidities)

  1. speed, swiftness; the condition of being rapid
  2. (physics) A measure of velocity relative to the speed of light
  3. (physics) A measure of the velocity of a particle in a beam relative to the beam's axis

Derived terms

Translations

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