FI
Translingual
editSymbol
editFI
English
editNoun
editFI (countable and uncountable, plural FIs)
- Abbreviation of factor I. (clotting factor I)
- (law enforcement) Initialism of field interview/interrogation.
- (automotive) Initialism of fuel injection.
- Initialism of fault indicator.
Related terms
edit(clotting factor I):
(fuel injection):