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 It has superseded the Fujita scale.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
30 March 2025
(adjective) of or pertaining to or in keeping with the Christian gospel especially as in the first 4 books of the New Testament
The Boston Tea Party helped popularize coffee in America. The hefty tea tax imposed on the colonies in 1773 resulted in America switching from tea to coffee. In the lead up to the Revolutionary War, it became patriotic to sip java instead of tea. The Civil War made the drink more pervasive. Coffee helped energize tired troops, and drinking it became an expression of freedom.