FIR
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Look up fir in Wiktionary, the free dictionary.
FIR may stand for:
- Finite impulse response, a digital filter type.
- FIR - Research Institute for Operations Management (from german: Forschungsinstitut für Rationalisierung)
- French Indian rupee, defunct currency in French India.
- far infrared, i.e. infrared radiation of long wave length
- In India, First Information Report, the first report of crime filed by police
- FIR (show), a TV show telecasted on SAB TV in India.
- Flight Information Region, a type of airspace
- F.I.R., a Mandarin pop music group from Taiwan
- in web design, Fahrner Image Replacement, a method for replacing text with an image using style sheets [1]
- Federazione Italiana Rugby, the rugby union governing body in Italy
- Fast Infrared
- Free ideal ring in mathematics
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