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fiancée
fianchetto
Fianna
Fianna Fáil
fiasco
fiat
fiat money
fib
fiber
fiber artist
fiber bundle
fiber optics
fiberboard
fiberfill
Fiberglas
fiberglass
fiberscope
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fibrillate
fi·bril·late [ fíbbrə làyt ] (past and past participle fi·bril·lat·ed, present participle fi·bril·lat·ing, 3rd person present singular fi·bril·lates)


transitive and intransitive verb 
Definition:
 
beat or contract rapidly and irregularly: to undergo rapid irregular beating or uncontrolled contraction, or make the heart or muscles undergo this
[Mid-19th century. < modern Latin fibrilla (see fibril)]

fib·ril·la·tive adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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