sensitization

in colloid chemistry
Addition of small amounts of a hydrophiliccolloid to a hydrophobic sol to possibly make the latter more sensitive to flocculation by electrolyte.
Source:
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 610