noun
Meaning 1
The formation of a dynamic equilibrium in a system of collisionless particles modelled as being subject only to Newtonian gravity (galaxy, other stellar system, or galaxy cluster).
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided