μ

See also: Μ, Μ΄, µ, μ', μ΄, μ-, and Appendix:Variations of "m"

μ U+03BC, μ GREEK SMALL LETTER MU ← λ [U+03BB] Greek and Coptic ν → [U+03BD]

µ U+00B5, µ MICRO SIGN ← ´ [U+00B4] Latin-1 Supplement ¶ → [U+00B6]

𝜇 U+1D707, 𝜇 MATHEMATICAL ITALIC SMALL MU ← 𝜆 [U+1D706] Mathematical Alphanumeric Symbols 𝜈 → [U+1D708]

Translingual

Symbol

μ

1. (Should we delete⁽⁺⁾ this sense?) (sciences) micro-

   μs: microsecond

2. (statistics) population mean
3. (physics) coefficient of friction
4. (physics) magnetic permeability
5. (physics) muon
6. (dated, metrology, physics) micron

   Synonym: μm (micrometre)

   Coordinate term: Å (ångström)

Further reading

• μ on Wikipedia.Wikipedia

Ancient Greek

Etymology

Derived from its majuscule counterpart Μ.

Letter

μ • (m) (lowercase, uppercase Μ)

1. Lower-case mu (μῦ), the 12th letter of the ancient Greek alphabet. It represented the bilabial nasal /m/. It is preceded by λ and followed by ν.

Derived terms

See also mu

• μ΄, ͵μ
• м, М (Cyrillic)
• 𐌼 (Gothic)
• ⲙ, Ⲙ (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 ϝ, Ͷ ͷ, Ͱ ͱ, Ϻ ϻ, Ϙ ϙ, Ͳ ͳ
• (punctuation) · ;
• (diacritics) ᾿ ῾ ◌́ ◌̀ ῀ ¨

Greek

Letter

μ • (m) (lowercase, uppercase Μ)

1. The lower case letter mu (μι), the 12th letter of the modern Greek alphabet.

Symbol

μ • (m)

1. meter (metre), the unit of length in the International System of Units

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 ϝ, Ͷ ͷ, Ͱ ͱ, Ϻ ϻ, Ϙ ϙ, Ͳ ͳ
• (punctuation) · ;
• (diacritics) ᾿ ῾ ◌́ ◌̀ ῀ ¨
• μ΄
• ͵μ