Dictionary![]() ![]() di•hy•dro•ta•chys•ter•olPronunciation: (dī-hī"drō-tu-kis'tu-rôl", -rol"), [key] —n. Pharm. a white, crystalline, water-insoluble sterol, C28H46O, derived from ergosterol: used chiefly in the treatment of hypoparathyroidism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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