+Nucleation is the initial formation of a stable, tiny cluster of particles, often a crucial first step in a [Phase Transition](/wiki/phase_transition). It marks the birth of a new phase, like the first [Crystal](/wiki/crystal) forming in a liquid or a droplet emerging from vapor.
+## See also
+- [Crystal Growth](/wiki/crystal_growth)
+- [Crystallization](/wiki/crystallization)
+- [Supersaturation](/wiki/supersaturation)
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