ef

Definitions

1. Initialism of ejection fraction.
   abbreviation, alt-of, initialism
2. Initialism of Entity Framework, an open-source ORM framework.
   abbreviation, alt-of, initialism
3. The name of the Latin script letter F/f.
4. Initialism of electric field.
   abbreviation, alt-of, initialism
5. Followed by a number from 0 to 5: initialism of Enhanced Fujita, a rating on the Enhanced Fujita scale used to indicate the intensity of a tornado; it has superseded the Fujita scale.
   Canada, US
6. Initialism of Extraordinary Form.
   abbreviation, alt-of, initialism

Equivalents

Examples

“I have⟳ drunk en-ee-cee-tee-ay-ar from the ef-ell-oh-doubleyou-ee-ar-ess in his gee-ay-ar-dee-ee-en many a time.”

“Under certain conditions, the localized EF near an energized transmission line conductor can produce⟳ small electric discharges, ionizing nearby air. […] Modern “bipolar” cardiac devices are much less susceptible to interactions with EFs. Manufacturers of pacemakers and other IMDs have⟳ indicated that EFs below 6 kV/m are unlikely to cause interactions affecting the operation of most of their devices.”

CEFR level