noun
- the 17th letter of the Greek alphabet (Ρ, ρ)
Examples
- The Greek letter rho is used in mathematics to represent density.
- In the equation, rho stands for the correlation coefficient.
- Students learning Greek must memorize rho along with the other letters.
- The symbol ρ (rho) appears frequently in physics formulas.
- Rho comes after pi in the Greek alphabet.
- The professor wrote the lowercase rho on the blackboard.