Dictionary

methotrexate

noun meth·o·trex·ate \ˌme-thə-ˈtrek-ˌsāt\

Definition of METHOTREXATE

:  a toxic folic acid analog C20H22N8O5 that is used to treat certain cancers, severe psoriasis, and rheumatoid arthritis

Origin of METHOTREXATE

meth- + -trexate, of unknown origin
First Known Use: 1955

methotrexate

noun meth·o·trex·ate \ˌmeth-ə-ˈtrek-ˌsāt\   (Medical Dictionary)

Medical Definition of METHOTREXATE

:  a toxic drug C20H22N8O5 that is an analog of folic acid and is used to treat certain cancers, severe psoriasis, and rheumatoid arthritis—called also amethopterin

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