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ATOMIC NUMBER 39
I. (noun)
Sense 1
Meaning:
A silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
Synonyms:
Classified under:
Hypernyms ("atomic number 39" is a kind of...):
metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)
Holonyms ("atomic number 39" is a substance of...):
fergusonite (a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals)
gadolinite; ytterbite (a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium)
xenotime (a brown-to-yellow mineral that is a phosphate of yttrium in crystalline form)
