erbium.
A chemical element (symbol Er) with atomic number 68: a silvery-white metal, in nature always found in combination with other elements.
Meaning & usage
A chemical element (symbol Er) with atomic number 68: a silvery-white metal, in nature always found in combination with other elements.
A chemical element (symbol Er) with atomic number 68: a silvery-white metal, in nature always found in combination with other elements. An atom of this element.
Where this word comes from
Etymology tree Proto-Indo-European *úd Proto-Germanic *ūt Old Norse út Old Norse ýtrider. Swedish yttre Swedish ytter- Proto-Indo-European *bʰuH- Proto-Germanic *būaną Old Norse búa Old Norse býr Old Swedish bȳr Swedish by Swedish Ytterby Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -iusnom. Latin -ium New Latin erbiumbor. English erbium Borrowed from New Latin erbium; itself from Swedish Ytterby (the name of the town where the element was discovered) + -ium. Coined by Swedish chemist and mineralogist Carl Gustaf Mosander in 1843. Doublet of terbium, ytterbium, and yttrium.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.