noun
association colloid
Technical term in chemistry for a colloid formed by the reversible association of molecules or ions into micelles or similar aggregates in solution.
界面活性剤は水中で会合コロイドを形成することがある。
Surfactants can form association colloids in water.
Compound of 会合 (かいごう, 'association') and コロイド ('colloid'), a calque of the English term 'association colloid'.