| EI | Edmonton injector; electrolyte imbalance; electron impact; electron ionization; emotionally impaired... |
|---|---|
| EMU | early morning urine; energy-mode ultrasound |
| EPM | electron probe microanalysis; electrophoretic mobility; energy-protein malnutrition |
| EQ | educational quotient; encephalization quotient; energy quotient; equal to |
| ERDA | Energy Research and Development Administration |