americium Americawards • Americomania · · · Info · Definitions · Synonyms · Characters · · americium · · Text Latin · · Script 9 · · Length 5 · · Syllables Definitions · · · (noun) a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms. Synonyms: Am, atomic number 95. · · Noun Definition 1 Synonyms · · · am · · Synonym 1 atomic number 95 · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D r latin small letter r U+0072 u latin small letter u U+0075