Nu (letter)
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Look up Ν or ν in Wiktionary, the free dictionary. |
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| Greek alphabet | |||
|---|---|---|---|
| Αα | Alpha | Νν | Nu |
| Ββ | Beta | Ξξ | Xi |
| Γγ | Gamma | Οο | Omicron |
| Δδ | Delta | Ππ | Pi |
| Εε | Epsilon | Ρρ | Rho |
| Ζζ | Zeta | Σσς | Sigma |
| Ηη | Eta | Ττ | Tau |
| Θθ | Theta | Υυ | Upsilon |
| Ιι | Iota | Φφ | Phi |
| Κκ | Kappa | Χχ | Chi |
| Λλ | Lambda | Ψψ | Psi |
| Μμ | Mu | Ωω | Omega |
| Obsolete letters | |||
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Digamma |  |
Qoppa |
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San |  |
Sampi |
| Other characters | |||
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Stigma |  |
Sho |
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Heta | ||
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| Greek diacritics | |||
Nu (uppercase Ν, lowercase ν; also transcribed as Ny; modern Greek: Νι [ni] Ni), is the 13th letter of the Greek alphabet. In the system of Greek numerals it has a value of 50. Its Latin Alphabet equivalent is N, though the lowercase resembles the Roman lowercase v.
The name of the letter is written νῦ in in Ancient Greek and traditional Modern Greek polytonic orthography, while in Modern Greek it is sometimes written νι [ni]. In English, the name of the letter is pronounced /ˈnuː/ or /ˈnjuː/.
The lower-case letter ν is used as a symbol for:
- Degree of freedom in statistics
- The frequency of a wave in physics and other fields.
- Kinematic viscosity in fluid mechanics
- Poisson's ratio, the ratio of strains perpendicular with and parallel with an applied force.
- Specific volume, the volume occupied by a unit of mass of a material.
- Any of three kinds of neutrino in particle physics.
- One of the Greeks in mathematical finance, known as "vega".
- The number of neutrons released per fission of an atom in nuclear physics.
- A DNA polymerase found in higher eukaryotes and implicated in Translesion Synthesis.
- Molecular vibrational mode, νx where x is the number of the vibration (a label)
- The stoichiometric coefficient
- The Greatest fixed point of a function, as commonly used in the μ-calculus
Once on the TV game show Jeopardy!, there was a category "Homophones", with the question "Was acquainted with the 13th letter of the Greek alphabet". The answer was "Knew Nu".[citation needed]
The Nu Gundam is a mobile suit piloted by Amuro Ray, the main protagonist of the Mobile Suit Gundam series. It appears in the movie Mobile Suit Gundam : Char's Counterattack
Nu-13 is a character in the Arksystem Works fighting game, BlazBlue: Calamity Trigger
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