# nucleation

> English word · Noun · IPA /ˌnukliˈeɪʃən/ · frequency rank #58,243

## Definitions
1. The first stage of a phase transition in a small region.
2. The formation of cell nuclei.

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