Definitions for curiumˈkyʊər i əm
Random House Webster's College Dictionary
cu•ri•umˈkyʊər i əm(n.)
a synthetic radioactive element produced from plutonium.
Ref: Symbol: Cm 2
Origin of curium:
1946; after M. and P. Curie ; see -ium2
curium, Cm, atomic number 96(noun)
a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei
a transuranic chemical element (symbol Cm) with an atomic number of 96.
Origin: Named after Pierre Curie and Marie Curie
U.S. National Library of Medicine
A radioactive actinide with atomic symbol Cm, atomic number 96, and atomic weight 247. Thirteen curium isotopes have been produced with mass numbers ranging from 238-250. Its valence can be +3 or +4. It is intensely radioactive and decays by alpha-emission.