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Rapidity vs Keenness - What's the difference?

rapidity | keenness | Related terms |

As nouns the difference between rapidity and keenness

is that rapidity is speed, swiftness; the condition of being rapid while keenness is sharpness or cutting ability.

rapidity

English

Noun

(wikipedia rapidity) (rapidities)
  • speed, swiftness; the condition of being rapid
  • (physics) A measure of velocity relative to the speed of light
  • (physics) A measure of the velocity of a particle in a beam relative to the beam#s axis

    • Derived terms

    * midrapidity * pseudorapidity

    keenness

    English

    Noun

    (-)
  • sharpness or cutting ability
  • astuteness or sagacity
  • eagerness or enthusiasm