The meaning of the Acronym ERF is...

ERF is

• Energy Rejection Filter

More Meanings For ERF:

• Energy Rejection Filter
• Earthquake Rupture Forecast
• Energy Rejection Filter
• Engineering Research Facility
• Engineering Request Form
• End Rust Forever
• Early Reading First
• Eugene Rathbone Fairweather, author
• Earliest Reservation First
• Encapsulated Resource File
• Embroidery Rich Format
• Early Reinforcing Force (follow-on 3 1/3 divs to CRF)
• Electronic Repair Facility
• Extraordinary Repair Fund
• Eccm Remote Fill

ERF is also in:

• Astronomy
• Educational
• Famous
• General
• Meteorology
• Military
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• Physics
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• Software