EF

Initialism of extremely fine or extra fine; also XF.

Adjective

  1. Initialism of extremely fine or extra fine; also XF.

Proper noun

  1. Initialism of Entity Framework, an open-source ORM framework.
  2. 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of Enhanced Fujita, a rating on the Enhanced Fujita scale used to indicate the intensity of a tornado; it has superseded the Fujita scale.
  3. Initialism of Extraordinary Form.

Noun

  1. Initialism of ejection fraction.
  2. Initialism of electric field.
    • 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...

Forms

EFs