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Noun: methotrexate  ,me-thow'treks,eyt
  1. Toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis
    - methotrexate sodium, amethopterin

Derived forms: methotrexates

Type of: antimetabolite, immune suppressant drug, immunosuppressant, immunosuppressive, immunosuppressive drug, immunosuppressor

Encyclopedia: Methotrexate