technetium techiness • technic · · · Info · Definitions · Synonyms · Characters · · technetium · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a crystalline metallic element not found in nature; occurs as one of the fission products of uranium. Synonyms: Tc, atomic number 43. · · Noun Definition 1 Synonyms · · · tc · · Synonym 1 atomic number 43 · · Synonym 2 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E t latin small letter t U+0074 u latin small letter u U+0075