CERIUM
cerium, Ce, atomic number
(noun) a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
Source: WordNet® 3.1
Etymology
Noun
cerium (usually uncountable, plural ceriums)
A chemical element (symbol Ce) with an atomic number of 58, a very soft, ductile, silvery-white metal that tarnishes when exposed to air.
Anagrams
• uremic
Source: Wiktionary
Ce"ri*um, n. Etym: [Named dy Berzelius in 1803 from the asteroid
Ceres, then just discovered (1801).] (Chem.)
Definition: A rare metallic element, occurring in the minerals cerite,
allanite, monazite, etc. Symbol Ce. Atomic weight 141.5. It resembles
iron in color and luster, but is soft, and both malleable and
ductile. It tarnishes readily in the air.
Source: Webster’s Unabridged Dictionary 1913 Edition