Editing Nu (letter) (section)

==Symbology==
[[File:Nikos_Kazantzakis_Statue_in_Heraklion.jpg|thumb|upright=.95|Bust of [[Nikos Kazantzakis]] with the traditional Greek nu]]
The lower-case letter {{mvar|ν}} is used as a symbol in many [[academic field]]s. Uppercase nu is not used, because it appears identical to Latin [[N]].

* Mathematics:
** [[Degrees of freedom (statistics)|Degrees of freedom]] in [[statistics]].
** The [[greatest fixed point]] of a function, as commonly used in the [[μ-calculus]].
** Free names of a process, as used in the [[π-calculus#Syntax|π-calculus]].
** One of [[Greeks (finance)|the Greeks]] in [[mathematical finance]], known as "vega".
** The reciprocal of 1 plus the interest rate in finance.
** The [[p-adic valuation|{{mvar|p}}-adic valuation or {{mvar|p}}-adic order]] of a number.
*Physics:
** [[Viscosity#Kinematic viscosity|Kinematic viscosity]] in [[fluid mechanics]].<ref>{{Citation |last=Elert |first=Glenn |title=Special Symbols |date=2023 |work=The Physics Hypertextbook |url=https://physics.info/symbols/ |access-date=2025-02-01 |publisher=hypertextbook|quote= ν kinematic viscosity |language=en}}</ref>
** The [[frequency]]<ref>See e.g. [[Planck constant|Planck's formula]]</ref> of a wave in physics and other fields; sometimes also [[spatial frequency]]; [[wavenumber]]
** The [[specific volume]] in [[thermodynamics]].
** [[Poisson's ratio]], the ratio of strains perpendicular with and parallel with an applied force.
** Any of three kinds of [[neutrino]] in particle physics.
** The number of [[neutrons]] released per [[nuclear fission|fission]] of an atom in nuclear physics.
** Molecular [[vibrational mode]], {{math|''ν''<sub>''x''</sub>}} where {{mvar|x}} is the number of the vibration (a label).
** The [[true anomaly]], an angular parameter that defines the position of a body moving along an orbit (see [[orbital elements]]).
*Biology:
** [[DNA polymerase nu|A DNA polymerase]] found in higher [[eukaryotes]] and implicated in [[translesion synthesis]].
*Chemistry:
** The [[stoichiometric coefficient]].
*Psychology:
** The maximum conditioning possible for an [[unconditioned stimulus]] in the [[Rescorla-Wagner model]].