I. ˌtran(t)-syu̇-ˈra-nik, -shə-, -ˈrā-; ˌtran-zyu̇-, -zhə- adjective
or trans·ura·ni·um -ˈrā-nē-əm
Date: 1935
: of, relating to, or being an element with an atomic number greater than that of uranium
II. noun
Date: 1950
: a transuranic element
I. ˌtran(t)-syu̇-ˈra-nik, -shə-, -ˈrā-; ˌtran-zyu̇-, -zhə- adjective
or trans·ura·ni·um -ˈrā-nē-əm
Date: 1935
: of, relating to, or being an element with an atomic number greater than that of uranium
II. noun
Date: 1950
: a transuranic element
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003