methotrexate Methody • methotrexate sodium · · · Info · Definitions · Synonyms · Characters · · methotrexate · · Text Latin · · Script 12 · · Length 4 · · Syllables Definitions · · · (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. Synonyms: methotrexate sodium, amethopterin. · · Noun Definition 1 Synonyms · · · methotrexate sodium · · Synonym 1 amethopterin · · Synonym 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 x latin small letter x U+0078