NEPTUNIUM


Meaning of NEPTUNIUM in English

[ nɛp'tju:nɪəm ]

■ noun the chemical element of atomic number 93, a radioactive metal of the actinide series. (Symbol: Np )

Origin

C19: from Neptune , on the pattern of uranium (Neptune being the next planet beyond Uranus).

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.