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raptorial
rapture
rapture of the deep
rara avis
rare (1)
rare (2)
rare earth
rare-earth element
rare gas
rarebit
raree show
rarefaction
rarefied
rarefy
raregroove
rarely
rareripe
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rapid

rap·id [ ráppid ]


adjective 
Definition:
 
swift: acting, moving, or happening very quickly
a rapid increase in turnover



plural noun rap·ids 
Definition:
 
turbulent part of riverbed: a part of a riverbed where the water moves very fast, usually over rocks or around boulders

[Mid-17th century. < Latin rapidus "seizing" < rapere "seize"]

ra·pid·i·ty noun
rap·id·ly adverb
rap·id·ness noun
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