Editing Gamma (section)

===Lowercase===
The lowercase letter <math>\gamma</math> is used as a symbol for:
*[[Chromatic number]] of in [[graph theory]]
*[[Gamma ray|Gamma radiation]] in [[nuclear physics]]
*[[Strain (mechanics)#Shear strain|Shear strain]] in physics<ref>{{Citation |last=Elert |first=Glenn |title=Special Symbols |date=2023 |work=The Physics Hypertextbook |quote= γ shear strain|url=https://physics.info/symbols/ |access-date=2025-02-01 |publisher=hypertextbook |language=en}}</ref>
*[[Surface tension]] in physics<ref>{{Citation |last=Elert |first=Glenn |title=Special Symbols |date=2023 |work=The Physics Hypertextbook |quote= γ surface tension|url=https://physics.info/symbols/ |access-date=2025-02-01 |publisher=hypertextbook |language=en}}</ref>
*The [[photon]], the elementary particle of light and other [[electromagnetic radiation]]
*The 434&nbsp;nm [[spectral line]] in the [[Balmer series]]<ref>{{Cite web |date=2014-06-17 |title=1.4: The Hydrogen Atomic Spectrum |url=https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Physical_Chemistry_(LibreTexts)/01:_The_Dawn_of_the_Quantum_Theory/1.04:_The_Hydrogen_Atomic_Spectrum |access-date=2025-01-23 |website=Chemistry LibreTexts |language=en}}</ref>
*[[Surface energy]] in [[materials science]]
*The [[Lorentz factor]] in the [[theory of relativity]]<ref>{{Cite book |last=Fayngold |first=Moses |title=Special relativity and how it works |date=2008 |publisher=Wiley-VCH |isbn=978-3-527-40607-4 |series=Physics textbook |location=Weinheim |page=32 |quote=Because we will come across this coefficient quite often, we will give it a special name, the Lorentz factor, and stick to our symbol γ(V),...}}</ref>
*In mathematics, the [[Incomplete gamma function|lower incomplete gamma function]]<ref>{{Cite web |last=Weisstein |first=Eric W. |title=Incomplete Gamma Function |url=https://mathworld.wolfram.com/IncompleteGammaFunction.html |access-date=2025-01-23 |website=mathworld.wolfram.com |language=en}}</ref>
*The [[heat capacity ratio]] {{math|''C<sub>p</sub>''{{hairsp}}/''C<sub>v</sub>''}} in [[thermodynamics]]
*The [[activity coefficient]] in [[thermodynamics]]
*The [[gyromagnetic ratio]] in [[electromagnetism]]
*[[Gamma wave]]s in [[neuroscience]]
*[[Gamma motor neuron]]s in [[neuroscience]]
*A non-[[International System of Units|SI]] [[metric system|metric]] [[units of measurement|unit of measure]] of [[mass]] equal to one [[microgram]] (1 μg).<ref>{{cite book |author=François Cardarelli |date=2003 |title=Encyclopaedia of Scientific Units, Weights and Measures |publisher=Springer-Verlag |location=London |isbn=978-1-4471-1122-1}}</ref><ref>{{cite book |date=August 7, 2002 |title=Remembrances of LSD therapy past |author=Betty Grover Eisner, Ph.D. |url=https://maps.org/images/pdf/books/remembrances.pdf |archive-url=https://web.archive.org/web/20141205124722/http://maps.org/images/pdf/books/remembrances.pdf |archive-date=2014-12-05 |url-status=live |page=14 |quote=that fateful 100 gamma, the same dosage I had had at my first LSD session}}</ref> This always-rare use is deprecated.
*A non-[[International System of Units|SI]] [[units of measurement|unit of measure]] of [[magnetic field|magnetic flux density]], sometimes used in [[geophysics]], equal to 10<sup>−5</sup> [[Gauss (unit)|gauss]] (G), or 1 [[nano-|nano]][[tesla (unit)|tesla]] (nT).<ref>{{Cite web |last=Weisstein |first=Eric W. |date=30 April 2023 |title=Gamma -- from Eric Weisstein's World of Physics |url=https://scienceworld.wolfram.com/physics/Gamma.html |website=scienceworld.wolfram.com}}</ref>
*The power by which the luminance of an image is increased in [[gamma correction]]
*In civil and mechanical engineering:
**[[Specific weight]]
**The [[shear rate]] of a fluid is represented by a lowercase gamma with a dot above it: <math> \dot \gamma </math>
**[[Austenite]] (also known as γ-iron), a metallic non-magnetic allotrope or solid solution of iron.
*The gamma carbon, the third carbon attached to a [[functional group]] in [[organic chemistry]] and [[biochemistry]]; see [[Alpha and beta carbon]]
*[[Hermite constant]]<ref>{{Cite web |last=Weisstein |first=Eric W. |title=Hermite Constants |url=https://mathworld.wolfram.com/HermiteConstants.html |access-date=2025-01-31 |website=mathworld.wolfram.com |language=en}}</ref>
*The [[Euler–Mascheroni constant|Euler’s Constant also known as Euler–Mascheroni constant]] ≈ 0.57721566490153286<ref>{{Cite web |last=Weisstein |first=Eric W. |title=Euler-Mascheroni Constant |url=https://mathworld.wolfram.com/Euler-MascheroniConstant.html |access-date=2025-01-23 |website=mathworld.wolfram.com |language=en}}</ref><ref>{{Cite web |title=DLMF: §5.2 Definitions ‣ Properties ‣ Chapter 5 Gamma Function |url=https://dlmf.nist.gov/5.2#E3 |access-date=2025-01-31 |website=dlmf.nist.gov}}</ref>
*[[Stieltjes constants]]<ref>{{Cite web |last=Weisstein |first=Eric W. |title=Stieltjes Constants |url=https://mathworld.wolfram.com/StieltjesConstants.html |access-date=2025-01-31 |website=mathworld.wolfram.com |language=en}}</ref>
*[[Chvátal–Sankoff constants]]

The lowercase Latin gamma ɣ  can also be used in contexts (such as chemical or molecule nomenclature) where gamma must not be confused with the letter [[y]], which can occur in some computer typefaces.