Er
Er noun - A trivalent metallic element of the rare earth group; occurs with yttrium.
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Synonyms for Er
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Hurrah and Er. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/er/hurrah
Er & Hurrah. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/er/hurrah>.
Hurrah or Er. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/er/hurrah.
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