ρ

See also: Ρ, ρ., ρ΄, ῥ', and Appendix:Variations of "r"

ρ U+03C1, ρ GREEK SMALL LETTER RHO ← π [U+03C0] Greek and Coptic ς → [U+03C2]

Character variations

ᵨ U+1D68, ᵨ GREEK SUBSCRIPT SMALL LETTER RHO ← ᵧ [U+1D67] Phonetic Extensions ᵩ → [U+1D69]

𝜌 U+1D70C, 𝜌 MATHEMATICAL ITALIC SMALL RHO ← 𝜋 [U+1D70B] Mathematical Alphanumeric Symbols 𝜍 → [U+1D70D]

Translingual

Symbol

ρ

1. (physics) density
2. (mathematics) Dickman function
3. (Can we verify⁽⁺⁾ this sense?) (mathematics) 3π
4. (geometry) radius in polar, cylindrical, or spherical coordinate system

See also

• ρ on Wikipedia.Wikipedia

Ancient Greek

Etymology

Derived from its majuscule counterpart Ρ.

Letter

ρ • (r) (lowercase, uppercase Ρ)

1. Lower-case rho (ῥῶ), the 17th letter of the ancient Greek alphabet. It represented the alveolar trill /r/. It is preceded by π and followed by σ.

Derived terms

See also rho

• ρ΄, ͵ρ
• р, Р (Cyrillic)
• ր (r), Ր (R) (Armenian)
• ⲣ, Ⲣ (Coptic)

See also

• (Greek-script letters) Α α, Β β, Γ γ, Δ δ, Ε ε, Ζ ζ, Η η, Θ θ, Ι ι, Κ κ, Λ λ, Μ μ, Ν ν, Ξ ξ, Ο ο, Π π, Ρ ρ, Σ σ ς, Τ τ, Υ υ, Φ φ, Χ χ, Ψ ψ, Ω ω
• (non-Classical letters) Ϝ (W) ϝ (w), Ͷ ͷ, Ͱ (H) ͱ (h), Ϻ (S) ϻ (s), Ϟ ϟ, Ϙ (Q) ϙ (q), Ͳ (S) ͳ (s)
• (punctuation) · ⸳ . ;
• (diacritics) ᾿ ῾ ◌́ ◌̀ ῀ ¨

Greek

Letter

ρ • (r) (lowercase, uppercase Ρ)

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

See also

• (Greek-script letters) Α α, Β β, Γ γ, Δ δ, Ε ε, Ζ ζ, Η η, Θ θ, Ι ι, Κ κ, Λ λ, Μ μ, Ν ν, Ξ ξ, Ο ο, Π π, Ρ ρ, Σ σ ς, Τ τ, Υ υ, Φ φ, Χ χ, Ψ ψ, Ω ω
• (non-Classical letters) Ϝ (W) ϝ (w), Ͷ ͷ, Ͱ (H) ͱ (h), Ϻ (S) ϻ (s), Ϟ ϟ, Ϙ (Q) ϙ (q), Ͳ (S) ͳ (s)
• (punctuation) · ⸳ . ;
• (diacritics) ᾿ ῾ ◌́ ◌̀ ῀ ¨
• ρ΄
• ͵ρ