F2, F.II or similar may refer to:

Science and mathematics

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  • F2, the chemical formula for fluorine
  •   or GF(2), in mathematics, the Galois field of two elements
  • F2, a category in the Fujita scale of tornado intensity
  • F2 hybrid, a type of crossing in classical genetics
  • F2 layer, a stratum of the Earth's ionosphere
  • F-2 mycotoxin or zearalenone, a chemical produced by fungi
  • NIST-F2, an atomic clock

Medicine

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  • F2 or Foundation Year 2, part of the UK Foundation Programme for postgraduate medical practitioners
  • F-2 (drug), a psychedelic drug
  • F2-isoprostane, a compound formed in vivo from fatty acids
  • F2 gene, present on human chromosome 11, encodes for thrombin

Films

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Technology

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  • F2, a function key on a computer keyboard
  • F2 or flat twin engine, a type of two-cylinder internal combustion engine
  • Anik F2, a Canadian geostationary communications satellite
  • Nikon F2, a professional SLR camera

Transportation

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Aviation

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Rail

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  • EMD F2, a class of GM diesel freight locomotive built in 1946
  • H&BR Class F2, a class of 0-6-2T steam locomotives of the Hull and Barnsley Railway

Road

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Boat

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Military

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Land

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Other uses

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See also

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