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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 ra·pid·i·ty /rəˈpɪdəti, ræ-/
 迅速,急速,速度

From: Webster's Revised Unabridged Dictionary (1913)

 Ra·pid·i·ty n.  The quality or state of being rapid; swiftness; celerity; velocity; as, the rapidity of a current; rapidity of speech; rapidity of growth or improvement.
 Syn: -- Rapidness; haste; speed; celerity; velocity; swiftness; fleetness; quickness; agility.
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From: WordNet (r) 2.0

 rapidity
      n : a rate that is rapid [syn: celerity, quickness]