Er 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
a trivalent metallic element of the rare earth group; occurs with yttrium
Hypernym
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Substance_meronym
fergusonite 1
noun
a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
gadolinite 1
noun
a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium
EnglishSubstance_holonym
fergusonite 1
noun
a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
gadolinite 1
noun
a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium
