methotrexate

methotrexate definition - medical

meth·o·trex·ate (mĕthˌə-trĕkˈsātˌ)

noun Abbr. MTX
A toxic antimetabolite that acts as a folic acid antagonist, used as an antineoplastic agent and in the treatment of rheumatoid arthritis and psoriasis. Also called amethopterin.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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