Dictionary
ta•mox•i•fen
Pronunciation: (tu-mok'su-fun), [key]—
n. Pharm.
an antineoplastic drug, C
26H
29NO, that blocks the estrogen receptors on cancer cells, used in the treatment of breast cancer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.