Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
dark matter | Yes | No | No | No |
cosmology | Yes | No | No | No |
dark matter (noun) | cosmology (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 | the branch of astrophysics that studies the origin and evolution and structure of the universe |
the metaphysical study of the origin and nature of the universe |