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Interjection: er  ur
  1. Expression of hesitation
    "Learn how to conjugate regular er French verbs"
    - um, uh
Noun: ER
  1. A room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment
    - emergency room
Noun: Er
  1. A trivalent metallic element of the rare earth group; occurs with yttrium
    - erbium, atomic number 68

Sounds like: err

Type of: hospital room, metal, metallic element

Part of: fergusonite, gadolinite, ytterbite

Encyclopedia: ER

Er Er, Orba, Feron and Fergna