Dictionary
cu•ri•um
Pronunciation: (kyoor'ē-um), [key]—
n.
a radioactive element not found in nature but discovered in 1944 among the products of plutonium after bombardment by high-energy helium ions.
Symbol: Cm;
at. no.: 96.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.