nucleation

noun
nu·cle·a·tion | \ˌn(y)ü-klē-ˈā-shən \

Medical Definition of nucleation 

1 : the formation of nuclei

2 : the action of a nucleus in starting a process (as condensation, crystallization, or precipitation)

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Dictionary Entries near nucleation

nuclease

nucleate

nucleated

nucleation

nuclei

nucleic acid

nuclein

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