1. detergent; cleanser; cleaning agent; washing material
Wikipedia definition
2. DetergentA detergent is a surfactant or a mixture of surfactants with "cleaning properties in dilute solutions. " In common usage, "detergent" refers to alkylbenzenesulfonates, a family of compounds that are similar to soap but are more soluble in hard water, because the polar sulfonate (of detergents) is less likely than the polar carboxyl (of soap) to bind to calcium and other ions found in hard water.
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