See Also: reagent(dictionary)
Reagent(medicine)
reagent(dictionary)
Wurster's reagent(medicine)
Sanger's reagent(medicine)
Nessler's reagent(medicine)
Millon's reagent(medicine)
Meyer's reagent(medicine)
Mecke's reagent(medicine)
Marquis' reagent(medicine)

reagent (iou)



reagent noun. L18.
[from RE- + AGENT, after act, react.]
Chemistry. Orig., a substance used to test for the presence of another substance by means of the reaction which it produced. Now more widely, any substance used in chemical reactions.
Grignard reagent, Millon's reagent, Schiff reagent, Tollens' reagent, etc. fig.: R. W. Emerson Civilization is a reagent, and eats away the old traits.
Comb.: reagent grade a grade of commercial chemicals characterized by a high standard of purity; reagent paper: treated with a reagent for use in chemical tests.
reagency noun reactive power or operation M19.