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



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Word of the Day

27 May 2025

DIRECTIONALITY

(noun) the property of being directional or maintaining a direction; “the directionality of written English is from left to right”


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