atomic number 65 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite
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
apatite 1
noun
a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus
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
monazite 1
noun
a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium
EnglishSubstance_holonym
apatite 1
noun
a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus
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
monazite 1
noun
a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium
