Supravital stain
supravital stain n.
A procedure in which living tissue is removed from the body and cells are placed in a nontoxic dye solution so that their vital processes may be studied.
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noun, Chemistry. 1. surface-active agent. noun 1. Also called surface-active agent. a substance, such as a detergent, that can reduce the surface tension of a liquid and thus allow it to foam or penetrate solids; a wetting agent adjective 2. having the properties of a surfactant surfactant sur·fac·tant (sər-fāk’tənt, sûr’fāk’-) n. A surface-active substance. A […]