in colloid chemistry
When a @S05727@ is colloidally @U06569@ (i.e. the rate of aggregation is not negligible) the formation of @A00184@ is called @A00182-1@ or @A00182-2@.
Orange Book, 2nd ed., p. 85 [Terms] [Book]
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 609 [Terms] [Paper]
See also:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2180 [Terms] [Paper]