weakly interacting massive particle

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Noun1.weakly interacting massive particle - 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
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
acronym - a word formed from the initial letters of the several words in the name
elementary particle, fundamental particle - (physics) a particle that is less complex than an atom; regarded as constituents of all matter
dark matter - (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force
References in periodicals archive ?
Washington, April 16 ( ANI ): An international team of researchers has for the first time observed a concrete hint of what physicists believe to be the particle behind dark matter and therefore nearly a quarter of the universe-a WIMP, or weakly interacting massive particle.
The CoGeNT experiment looks for a type of dark-matter particle called a WIMP, or Weakly Interacting Massive Particle.
They believe that it consists of a proposed particle left over from the Big Bang called the WIMP, for weakly interacting massive particle.
Either ordinary cosmic ray particles are reacting with the nuclei in an unknown way or some exotic form of matter, perhaps a weakly interacting massive particle (WIMP), is causing the destruction (SN: 2/26/00, p.
A leading theory suggests that dark matter particles are WIMPs, or Weakly Interacting Massive Particles.
She deftly explains why physicists are hunting for weakly interacting massive particles, or WIMPs, rather than massive compact halo objects, or MACHOs (a true physics underdog story).