Dictionary
meth•o•trex•ate
Pronunciation: (meth"ō-trek'sāt), [key]—
n. Pharm.
a toxic folic acid analogue, C
20H
22N
8O
5, that inhibits cellular reproduction, used primarily in the treatment of psoriasis and certain cancers and as an immunosuppressive agent.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.