Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun dark_matter

1 sense of dark matter

Sense 1
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)
       => matter -- (that which has mass and occupies space; "physicists study both the nature of matter and the forces which govern it")