ρ

ρ englanniksi

1. density

2. function

3. radius in coordinates|polar, cylindrical, or coordinates|spherical system

4. Lower-case rho ((l)), the 17th letter of the ancient alphabet. It represented the trill|alveolar trill (IPAchar). It is preceded by π and followed by σ.

5. The case letter rho (ρο), the 17th letter of the modern alphabet|Greek alphabet.