Rho 166717 225826749 2008-07-15T16:09:13Z Hoof Hearted 684386 [[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]]