Rho

n. 17th letter of the Greek alphabet

Rho (upper case Ρ, lower case ρ) is a letter of the Greek alphabet. See Rho (letter).The lower-case letter rho (ρ) may represent:in mathematics, the radius in a spherical coordinate systemin physics and engineering, the density of a material.in physics, the volume charge density.in physics, the resistivity of a material.in physics, the rho mesons, , , .in biology, the Rho factor protein in RNA transcription termination. in mathematical finance, Rho is the sensitivity of an option or to changes in interest rates.in statistics, the Spearman's rank correlation (or rho) coefficient.
See more at Wikipedia.org...

Noun
1. the 17th letter of the Greek alphabet
(hypernym) letter, letter of the alphabet, alphabetic character
(member-holonym) Greek alphabet

n. rho, 17th letter of the Greek alphabet

n. rho, 17th letter of the Greek alphabet