FIR

Look up fir in Wiktionary, the free dictionary.

A fir is a type of evergreen coniferous tree.

Fir, FIR or F.I.R. may also refer to:

Entertainment

• F.I.R., a Taiwanese pop music group
• F.I.R. (album)
• F. I. R. (1999 film), an Indian Malayalam-language action film
• F.I.R No. 339/07/06, a 2021 Indian Bengali-language crime thriller film
• FIR (2022 film), an Indian Tamil-language action thriller film
• F.I.R. (TV series), an Indian sitcom
• Falling in Reverse, an American rock band

Science and technology

• Far infrared
• Finite impulse response, a type of filter in signal processing
• Free ideal ring
• Flight information region
• FiR 1, the first nuclear reactor in Finland
• Research Institute for Operations Management (German: Forschungsinstitut für Rationalisierung), in Germany

Other uses

• Fir, an alternative spelling of Fier, a city in Albania
• Firan language (ISO 639-3 language code: fir)
• First information report, a police document in some countries
• Flats Industrial Railroad, a former US company
• Flight information region, Specified region of airspace
• International Federation of Resistance Fighters – Association of Anti-Fascists (French: FIR Fédération Internationale des Résistantes – Association des Antifascistes)
• Italian Rugby Federation (Italian: Federazione Italiana Rugby)
• USCGC Fir, 2 US Coast Guard ships

See also

• FIRS (disambiguation)
• The Firs (disambiguation)

This disambiguation page lists articles associated with the title FIR.
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