We found 1 definitions of atomic number 70 from 1 different sources.
Noun |
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atomic number 70 - a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime | ||
ytterbium, Yb | ||
metallic element, metal any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | ||
gadolinite, ytterbite a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium | ||
monazite a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium |