virialization

Noun. (astronomy) The eventual formation of a dynamic equilibrium (in a galaxy, cluster etc) and the loss of any substructure.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.