dihydrotachysterol

[ dahy-hahy-droh-tuh-kis-tuh-rawl, -rol ]
/ daɪˌhaɪ droʊ təˈkɪs təˌrɔl, -ˌrɒl /

noun Pharmacology.

a white, crystalline, water-insoluble sterol, C28H46O, derived from ergosterol: used chiefly in the treatment of hypoparathyroidism.

Origin of dihydrotachysterol