cerium
English Thesaurus
1. a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group (noun.substance)
| hypernym | : | metal, metallic element, |
| definition | : | any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. (noun.substance) |
| substance meronym | : | bastnaesite, bastnasite, |
| definition | : | a yellow-to-brown mineral that is a source of rare earth elements (noun.substance) |
| substance meronym | : | gadolinite, ytterbite, |
| definition | : | a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium (noun.substance) |
| substance meronym | : | monazite, |
| definition | : | a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium (noun.substance) |
| derivation | : | cerous, |
| definition | : | of or relating to or containing cerium with valence 3 (adj.pert) |
| derivation | : | cerous, |
| definition | : | of or relating to or containing cerium with valence 3 (adj.pert) |
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