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Definition of Erbium oxide
1. Noun. (inorganic compound) Any oxide of erbium, but especially the pink amorphous solid Er2O3 (erbia) that is used as a phosphor and in optics ¹
¹ Source: wiktionary.com
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1. Noun. (inorganic compound) Any oxide of erbium, but especially the pink amorphous solid Er2O3 (erbia) that is used as a phosphor and in optics ¹
¹ Source: wiktionary.com