atomic number 73 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
Hypernym
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
any chemical element that belongs to the vanadium group.
Substance_meronym
fergusonite 1
noun
a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
niobite 1
noun
a black mineral that is an ore of niobium and tantalum
tantalite 1
noun
a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum
EnglishSubstance_holonym
fergusonite 1
noun
a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
niobite 1
noun
a black mineral that is an ore of niobium and tantalum
tantalite 1
noun
a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum
