What does ER mean in Unclassified?
This page is about the meanings of the acronym/abbreviation/shorthand ER in the Miscellaneous field in general and in the Unclassified terminology in particular.
Find a translation for ER in other languages:
Select another language:
What does ER mean?
- erbium, Er, atomic number 68(noun)
- a trivalent metallic element of the rare earth group; occurs with yttrium