What is the meaning of er?

noun

  • A trivalent metallic element of the rare earth group; occurs with yttrium.
  • A room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). er. Retrieved September 21, 2026, from http://smartdefine.org/er/definitions/1273345
ChicagoWordNet. 2010. "er" http://smartdefine.org/er/definitions/1273345 (accessed September 21, 2026).
HarvardWordNet 2010, er, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/er/definitions/1273345>.
MLAWordNet. "er" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/er/definitions/1273345>
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