Definition of "nucleation" []

• The first stage of a phase transition in a small region. (noun)
• The formation of cell nuclei. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "The other half are made by combining molecules of other vapors into larger "clumps"-a process called nucleation."
• "For aerosols to form, the bonding particles must cross an energy threshold, which the scientists call nucleation barrier."
• "It works through a process called nucleation, whereby the carbon dioxide in the soda is attracted to the tiny bumps on the surface of the mints."