Erbium

Definition:

• (n.) A rare metallic element associated with several other rare elements in the mineral gadolinite from Ytterby in Sweden. Symbol Er. Atomic weight 165.9. Its salts are rose-colored and give characteristic spectra. Its sesquioxide is called erbia.

Compare erbium with other words:

erbium vs. oxygen

erbium vs. euxenite

erbium vs. ytterbium

erbium vs. terbium

erbium vs. yttrium