ytterbium
English Thesaurus
1. a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime (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 | : | 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) |
substance meronym | : | xenotime, |
definition | : | a brown-to-yellow mineral that is a phosphate of yttrium in crystalline form (noun.substance) |
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