ef (plural efs)
The name of the Latin-script letter F.
ef
(nonstandard) Pronunciation spelling of if.
• F&E, FE, Fe, f.e.
EF (plural EFs)
(medicine, cardiology) Initialism of ejection fraction.
EF
(computing, Microsoft) Initialism of Entity Framework, an open-source ORM framework.
(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 It has superseded the Fujita scale.
EF (not comparable)
(philately) Initialism of extremely fine or extra fine; also XF.
• F&E, FE, Fe, f.e.
Source: Wiktionary
29 May 2025
(adjective) characterized by careful evaluation and judgment; “a critical reading”; “a critical dissertation”; “a critical analysis of Melville’s writings”
Coffee dates back to the 9th century. Goat herders in Ethiopia noticed their goats seem to be “dancing” after eating berries from a particular shrub. They reported it to the local monastery, and a monk made a drink out of it. The monk found out he felt energized and kept him awake at night. That’s how the first coffee drink was born.
