FI
Appearance
Translingual
[edit]Symbol
[edit]FI
English
[edit]Noun
[edit]FI (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.