EF

See also: ef, ef-, and -ef

Translingual

Symbol

EF

1. (metrology) Symbol for exafarad, an SI unit of electrical capacitance equal to 10¹⁸ farads.

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English

Noun

EF (plural EFs)

1. (medicine, cardiology) Initialism of ejection fraction.

Proper noun

EF

1. (computing, Microsoft) Initialism of Entity Framework, an open-source ORM framework.
2. (Canada, US, meteorology) 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 It has superseded the Fujita scale.

Adjective

EF (not comparable)

1. (philately) Initialism of extremely fine or extra fine; also XF.

Anagrams

• F&E, FE, Fe, f.e.