# virialization

> English word · Noun

## Definitions
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).

## Etymology
From virial + -ization.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/virialization