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There are 2 twelve-letter words beginning with FIBRILLATI

FIBRILLATINGfibrillating v. Present participle of fibrillate.
fibrillating adj. Splitting into fibrils or fibres.
fibrillating adj. Of a muscle, especially in the heart: undergoing fibrillation; quivering.
FIBRILLATIONfibrillation n. The rapid, irregular, and unsynchronized contraction of the muscle fibers of the heart.
FIBRILLATION n. uncoordinated contraction of muscle-fibres in the heart.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 3 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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