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 weakly interacting massive particle weakly interacting massive particle /ˈwiːkli ɪntəˈræktɪŋ ˈmæsɪv ˈpɑːrtɪkl/

noun

  1. (physics) a hypothetical subatomic particle of large mass that interacts weakly with ordinary matter through gravitation; postulated as a constituent of the dark matter of the universe  ( weakly interacting massive particle , WIMP )
    (physics) a hypothetical subatomic particle of large mass that interacts weakly with ordinary matter through gravitation; postulated as a constituent of the dark matter of the universe