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dark matter
 
Noun dark matter has 1 sense
  1. dark matter - (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the matter in the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force
    --1 is a kind of     substance, matter
    --1 has parts: weakly interacting massive particle, WIMP
dark comdey dark field illumination dark glasses dark grey dark ground illumination dark horse dark house dark lantern dark matter dark meat dark red dark soil dark storm darken darkened darkening darkens

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