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Reaction vs Rapidity - What's the difference?

reaction | rapidity |

As nouns the difference between reaction and rapidity

is that reaction is while rapidity is speed, swiftness; the condition of being rapid.

reaction

English

Noun

(en noun)
  • An action or statement in response to a stimulus or other event
  • The announcement of the verdict brought a violent reaction .
    You were in the courtroom. What is your reaction ?
    When I last tried to eat strawberries I had a terrible allergic reaction .
  • (chemistry) A transformation in which one or more substances is converted into another by combination or decomposition
  • In this reaction , the acid and base will neutralize each other, producing a salt.

    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