ERBIUM

erbium, Er, atomic number

(noun) a trivalent metallic element of the rare earth group; occurs with yttrium

Source: WordNet® 3.1

Etymology

Noun

erbium (countable and uncountable, plural erbiums)

A chemical element (symbol Er) with atomic number 68: a silvery-white metal, in nature always found in combination with other elements.

(countable) A single atom of this element.

Anagrams

• imbrue, imbuer, murbie

Source: Wiktionary

Er"bi*um, n. Etym: [NL. from Ytterby, in Sweden, where gadolinite is found. Cf. Terbium, Yttrium, Ytterbium.] (Chem.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition