Associations to the word «Rapidity»

Wiktionary

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

Dictionary definition

RAPIDITY, noun. A rate that is rapid.

Wise words

Don't use words too big for the subject. Don't say "infinitely" when you mean "very"; otherwise you'll have no word left when you want to talk about something really infinite.
C. S. Lewis