nucleation

in colloid chemistry
Also contains definition of: simultaneous nucleation
https://doi.org/10.1351/goldbook.N04243
The process by which nuclei are formed in solution. The condensation of a single chemical compound is called @H02848@. The simultaneous condensation of more than one compound is called simultaneous nucleation. The condensation of a compound on a foreign substance is called @H02807@.
Source:
Orange Book, 2nd ed., p. 84 [Terms]
See also:
PAC, 1972, 31, 577. (Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry) on page 608 [Terms] [Paper]