'ER' definitions:

Definition of 'Er'

From: WordNet
noun
A trivalent metallic element of the rare earth group; occurs with yttrium [syn: erbium, Er, atomic number 68]
noun
A room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment [syn: emergency room, ER]

Definition of 'Er'

From: GCIDE
  • Er \Er\ n. the chemical symbol for erbium, a rare earth element. It has atomic number 68 and an atomic weight of 167.26.
  • Syn: erbium. [WordNet 1.5 +PJC]

Definition of 'ER'

From: Hitchcock
    Er, watchman

Acronyms for 'ER'

From: V.E.R.A.
  • Enterprise Replication (IDS, Informix, DB)
  • Externer Rechner (T-Online)