- a ductile malleable silvery-white ferromagnetic element of the lanthanide series of metals: occurs principally in monazite and bastnaesite. Symbol: Gd; atomic no: 64; atomic wt: 157.25; valency: 3; relative density: 7.901; melting pt: 1313±°C; boiling pt: 3273°C (approx.)
WordReference Random House Unabridged Dictionary of American English © 2026
gad•o•lin•i•um
(gad′l in′ē əm),USA pronunciation n. [Chem.]
gad′o•lin′ic, adj.
- Chemistrya rare-earth metallic element. Symbol: Gd;
at. wt.: 157.25;
at. no.: 64.
- see gadolinite, -ium 1885–90
Collins Concise English Dictionary © HarperCollins Publishers::
gadolinium /ˌɡædəˈlɪnɪəm/ n
'gadolinium' also found in these entries (note: many are not synonyms or translations):