English dictionary
dark matter meaning and definition
Definition and meaning of dark matter at MeaningMonkey.org. dark matter meaning and definition in the English Dictionary.DARK MATTER noun
Definition of dark matter (noun)
- (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
Source: Princeton University Wordnet