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Definition of Dark matter
1. 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.
Generic synonyms: Matter
Category relationships: Cosmogeny, Cosmogony, Cosmology
Terms within: Weakly Interacting Massive Particle, Wimp
Category relationships: Cosmogeny, Cosmogony, Cosmology
Terms within: Weakly Interacting Massive Particle, Wimp
Definition of Dark matter
1. Noun. (astronomy) Particles of matter that cannot be detected by their radiation but whose presence is inferred from gravitational effects. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Dark Matter
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