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What does ER stand for?

ER stands for Electromagnetic Radiation (energy)

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

  • Science, medicine, engineering, etc.

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

Samples in periodicals archive:

Radio waves from the sun and distant stars can be heard as AM radio static, and on a stormy night that radio will crackle from the electromagnetic radiation released by lightning.
The case for anthropogenic global warming necessarily rests upon the presumptions that (1) the sun is an isotropic and isochronous radiator, and (2) that the energy density of space, filled with electromagnetic radiation across the entire electromagnetic spectrum from trillions of cosmic radiators, is a constant.
The potential health problems associated with mobile phone electromagnetic radiation could be a `time bomb'.