Dictionary![]() ![]() or•ci•nolPronunciation: (ôr'su-nôl", -nol"), [key] —n. Chem. a white, crystalline, water-soluble solid, C7H8O2, sweet but unpleasant in taste, that reddens on exposure to air: obtained from many lichens or produced synthetically and used chiefly as a reagent for certain carbohydrates. Also,or•cinPronunciation: (ôr'sin). [key] Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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