weakly interacting massive particle

1 definition found

weakly interacting massive particle - WordNet (r) 2.1 (2005) :

  weakly interacting massive particle
      n 1: 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 [syn: weakly interacting massive particle,
           WIMP]