Rho
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Hoof Hearted
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[[WP:MoSDAB]]: do not pipe links (except when linking to subsections), one (blue) link per line, use sentence fragments, categorize, prefer link first, clarified some descriptions
'''Rho''' may refer to:
__NOTOC__
*[[Rho (letter)]], a letter of the Greek alphabet, upper case Ρ, lower case ρ
==Symbols==
;in mathematics
* [[Spectral radius]] in a spherical coordinate system
;in physics
* [[Density]] of a material
* Volume [[charge density]]
* [[Resistivity]] of a material
* [[Rho meson]], <math>\rho^+</math>, <math>\rho^0</math>, <math>\rho^-</math>.
;in biology
* [[Rho factor]] protein in RNA transcription termination
* [[Rho family of GTPases]], small GTPase enzymes important in migration and stress fibre formation
* [[Subjective night]], the inactivity period of a [[Circadian rhythm]]
;in economics
* [[Greeks (finance)#The Greeks|Rho]], the sensitivity of an option or to changes in interest rates
;in statistics
* [[Spearman's rank correlation coefficient]], a non-parametric measure of correlation
* [[Pearson product-moment correlation coefficient]], a common measure of the correlation between two variables
==Places==
* [[Rho (Italy)]], a town near Milan, Italy (not to be confused with Ro, Italy)
* [[Island of Rho]], a Greek islet famous for its single resident, Despina Achladioti
* [[Rho River]], a tributary of the [[Dora di Bardonecchia]]
* [[Rhodes International Airport, "Diagoras"]], a Greek airport whose IATA code is RHO
==Other==
* [[Contract bridge glossary#R|Right-Hand Opponent]] (RHO), in Contract Bridge
* [[Rho Cassiopeiae]], a yellow hypergiant in the constellation Cassiopeia
==See also==
* [[Ro (disambiguation)]]
{{disambig}}
[[da:Rho]]
[[eo:RHO]]
[[es:Rho]]
[[it:RHO]]
[[nl:Rho]]
[[ja:RHO]]
[[pl:Rho]]