gadolinium
noun
- element with the atomic number of 64
Wiktionary
Pronunciation: /ˌɡæd.əˈlɪn.i.əm/
noun
Etymology: Named after chemist Johan Gadolin, a Swedish-speaking Finn, + -ium.
- A chemical element (symbol Gd) with atomic number 64: a ductile silvery-white metal.