gadoliniumPronunciation: /ˌgadəˈlɪnɪəm/Definition of gadolinium noun [mass noun] the chemical element of atomic number 64, a soft silvery-white metal of the lanthanide series. (Symbol: Gd)Origin: late 19th century: from gadolinitegadolinium in other Oxford dictionaries Definition of gadolinium in the US English dictionary
