methotrexate

noun

A toxic antimetabolite, C20H22N8O5, that acts as a folic acid antagonist to interfere with cellular reproduction and is used to treat psoriasis, certain cancers, and some inflammatory diseases such as rheumatoid arthritis.

noun

An antimetabolite and antifolate drug used in treatment of cancer and autoimmune diseases.

noun

toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis