What Does ER Stand For?

ER has more than one possible meaning :

• ER - Eastern Range
• ER - Electrical Resistivity
• ER - Emergency Room
• ER - Emergency Room Eritrea ISO 3166 Digram FIPS 10 4 Country Code
• ER - Endoplasmic Reticulum
• ER - Entity Relationship
• ER - Erbium
• ER - Explanation Report

If you know of another acronym for ER, please suggest it as a new acronym for ER.