Hypertext Webster Gateway: "Rapidity"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Rapidity \Ra*pid"i*ty\, n. [L. rapiditas: cf. F. rapidit['e].]
The quality or state of being rapid; swiftness; celerity;
velocity; as, the rapidity of growth or improvement.
Syn: -- Rapidness; haste; speed; celerity; velocity;
swiftness; fleetness; quickness; agility.
From WordNet (r) 1.7 (wn)
rapidity
n : a rate that is rapid [syn: {celerity}, {quickness}]
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