Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: weakly interacting massive particle
  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
    - WIMP

Derived forms: weakly interacting massive particles

Type of: elementary particle, fundamental particle

Part of: dark matter

Encyclopedia: Weakly interacting massive particle