Reference meaning
Er
Last updated
a trivalent metallic element of the rare earth group; occurs with yttrium
Related source terms
erbiumatomic number 68
Other meanings
2. noun
a room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 14636988-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.