English dictionary
Info: This web site is based on WordNet 3.0 from Princeton University.
English noun: Er | |||
| 1. | Er (substance) a trivalent metallic element of the rare earth group; occurs with yttrium | ||
| Synonyms | atomic number 68, erbium | ||
| Broader (hypernym) | metal, metallic element | ||
| Substance meronym | fergusonite, gadolinite, ytterbite | ||
| 2. | ER (artifact) a room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment | ||
| Synonyms | emergency room | ||
| Broader (hypernym) | hospital room | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk