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What does ER stand for?

ER stands for Equipment Room

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Information technology (IT) and computers
  • Military and Government

See other definitions of ER

Other Resources:
We have 64 other meanings of ER in our Acronym Attic

Samples in periodicals archive:

If the monitoring station and equipment room are located in a high-security facility, such as a prison, they should both be constructed with reinforced concrete - essentially making them security vaults.
Along the southern edge set at 15 metre intervals are support structures and underground equipment rooms for three upward-facing satellite dishes, the largest aerials in the complex.