See Also: cerium(medicine)
cerium(dictionary)
cerium(encyclopedia)
cerium isotopes(medicine)
cerium radioisotopes(medicine)

cerium (iou)



cerium noun. E19.
[from Ceres, an asteroid discovered shortly before this element + -IUM.]
A metallic chemical element, atomic no. 58, which is the most abundant of the lanthanide series. (Symbol Ce.)