WIMP2 Syllabification: (WIMP)Pronunciation: /wimp/Definition of WIMP noun Physics a hypothetical subatomic particle of large mass that interacts only weakly with ordinary matter, postulated as a constituent of the dark matter of the universe. Origin: 1980s: acronym from weakly interacting massive particleWIMP in other Oxford dictionaries Definition of WIMP in the British & World English dictionary
