The meaning of the Acronym ER is...

ER is

• Erbium
• Electron Reflectometer

More Meanings For ER:

• Erbium
• Electron Reflectometer
• Electrode Rod
• Earth Resource
• Explicit Rate
• External Relations
• Easily Replaced
• Elizabeth Regina
• Edward Rizzo
• Elizabeth Ransome
• Evidence Rules (court rules)
• Expert Resources
• Evaluate Refute
• Everybody Run
• Edit And Revise

ER is also in:

• Accounting
• Chemistry
• Electronics
• Famous
• International Business
• Law
• Media
• Meteorology
• Positions