Cerium

Quick meaning: Cerium is a noun meaning A chemical element (symbol Ce) with an atomic number of 58, a very soft, ductile, silvery-white metal that tarnishes when exposed to air.

Meaning

A chemical element (symbol Ce) with an atomic number of 58, a very soft, ductile, silvery-white metal that tarnishes when exposed to air.

Example Sentences

Despite their name, rare earths are not so rare. The most common, cerium, is as plentiful in the Earth's crust as copper or lead. The difference between them and more familiar materials is that, in nature, rare earths are almost never found on their own. Rather, they're mixed with other minerals, and often at low concentrations, making them difficult to mine economically.

Word Forms

• ceriums
• cererium

Synonyms for cerium

Depending on context, synonyms include ce.

Related Words

Related dictionary entries include ce, tetravalent, quadrivalent, oxalate, cererium, erbium.

Related Dictionary Tools