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There is only one twelve-letter word beginning with ANTIPARTICLE

ANTIPARTICLEantiparticle n. (Physics) A subatomic particle corresponding to another particle with the same mass, spin and mean lifetime…
anti-particle n. Alternative form of antiparticle.
ANTIPARTICLE n. the 'pair' of an elementary particle, particle and antiparticle being mutually destructive, having the same mass and spin but having opposite values for their other properties (e.g. charge, baryon number, strangeness).

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: 2 words
  • Scrabble in French: no 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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