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



RESET




Word of the Day

25 March 2025

IMMOBILIZATION

(noun) fixation (as by a plaster cast) of a body part in order to promote proper healing; “immobilization of the injured knee was necessary”


coffee icon

Coffee Trivia

Some 16th-century Italian clergymen tried to ban coffee because they believed it to be “satanic.” However, Pope Clement VII loved coffee so much that he lifted the ban and had coffee baptized in 1600.

coffee icon