Definition of antiproton

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  • antiproton is a valid Scrabble US word with a point value of 12
  • antiproton is a valid Scrabble UK word with a point value of 12
  • antiproton is a valid Words with friends word with a point value of 15

Definition of antiproton

  • an unstable negatively charged proton; the antiparticle of a proton (noun)

See definition of antiproton in Merriam Webster