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Defenition of the word dark matter

    • Defenition of the word dark matter

      • Matter that cannot be detected by their radiation but whose presence is inferred from gravitational effects.
      • (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
      • (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

    Hypernyms for the word dark matter

      • matter
      • substance

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