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|Look up F or f in Wiktionary, the free dictionary.|
F is the sixth letter of the Latin alphabet.
F may also refer to:
- Farad, a unit for electric capacitance
- Faraday constant
- Focal length of a lens
- f-number (sometimes called f-ratio, f-stop, or written f/), the focal length divided by the aperture diameter
- Form (botany)
- Bioavailability, which is expressed as the letter "F" in medical chemistry equations
- F band, the range of radio frequencies from 3 to 4 GHz
- f-block, a group of elements on the periodic table elements
- F region, part of the ionosphere
- Haplogroup F (Y-DNA), a patrilineal haplogroup
- Haplogroup F (mtDNA), a matrilineal haplogroup
- Phenylalanine, abbreviated as Phe or F
- Helmholtz Free Energy, also abbreviated as A
- The electromagnetic field tensor in electromagnetism
- This is often generalize to include the field tensors of other interactions, as in i.e. the gluon field strength tensor.
- The number 15 in hexadecimal
- The hypergeometric function pFq
- F-distribution, a continuous probability distribution
- F-test, a statistical test
- Femto, a prefix meaning 10−15
- Fibonacci number
Computers & electronics
- F (programming language), a subset of Fortran 95
- F Sharp (programming language), a functional and object-oriented language for the .NET platform.
- F connector, used for inlet in cable modems
- F crimp, a type of solderless electrical connection
- F-measure, the harmonic mean of precision and recall
- In programming languages, f is often used to represent floating points
- F (musical note)
- F major, the scale and key
- F minor, the scale and key
- Forte (music)
- "F", song on the double A-side single "Tsume Tsume Tsume/F" by Japanese metal band Maximum the Hormone
- F (album), an album by Japanese singer Masaharu Fukuyama
- F Album, an album by Japanese duo KinKi Kids
- F (film), a 2010 film directed by Johannes Roberts
- F Sixth Avenue Local, a rapid transit service of the New York City Subway
- F (S-train), trains on the ring line of Copenhagen's commuter train network
- F Market & Wharves, a heritage streetcar line operated by the San Francisco Municipal Railway
- France, on the vehicle registration plates of the European Union
- F (grade), a failing grade
- f, the symbol used in the International Phonetic Alphabet for the voiceless labiodental fricative
- Fax, referring to a facsimile machine
- f, common abbreviation in lexicons meaning feminine grammatical gender
- The citation abbreviation of the Federal Reporter
- The NYSE ticker symbol of the Ford Motor Company
- Ford F-Series, a series of full-size pickup trucks from Ford Motor Company
- F, Fujitsu's mobile phones in Japan
- Forward position in Australian Rules football
- "F" or "F----," sometimes used to bowlderise "fuck," which can be referred to as the "f-word" or "f-bomb".
- F, abbreviation for fax number
- F, abbreviation for the social networking service Facebook
- F, a class of designation in the United States military aircraft designation systems which stands for "Fighter"
- Common abbreviation for floor (for example, "3F" = 3rd floor)
- F, a common designation for fighter aircraft
- F word (disambiguation), euphemism for several words beginning with "f"
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