F2

Science and Mathematics

• F₂, the chemical formula for Fluorine gas
• F₂, a layer of the ionosphere
• F2 hybrid, a type of crossing in classical genetics
• F-2 mycotoxin, a chemical compound
• F2 tornado, a rating of tornado on the Fujita scale
• Guillard's F/2 Mixture, a growth medium (specific concentration's of nutrients) that algae is grown in
• NIST-F2, atomic clock
• <math>mathbb F_2</math>, the Galois field with two elements, also denoted as GF

Medicine

• F02: the ICD-10 code for Dementia in other diseases classified elsewhere
• F-2 , a psychedelic drug
• Foundation Year 2, the second year of the UK Foundation Programme for postgraduate medical practitioners
• A brain region located in the frontal cortex of the macaque

Transportation

Aviation

• Beechcraft F-2 Expeditor
• Blackburn F.2 Lincock, a 1928 British single-seat lightweight fighter
• Bristol F.2 Fighter, a 1916 British two-seat biplane fighter and reconnaissance aircraft
• F2 is the IATA airline designator for Fly Air
• F-2 Banshee, a carrier-based jet fighter aircraft of the 1950s
• F2 Tiger, another name for the Fieseler Fi 2 aerobatic plane
• Fairey F.2, a 1917 British fighter prototype
• Felixstowe F.2, a 1917 British First World War flying boat
• Flanders F.2, a 1911 British experimental single-seat monoplane aircraft
• Fokker F.II, a 1919 German early airliner
• Hunter F 2, a 1953 Hawker Hunter fighter......
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