χ

χ U+03C7, χ GREEK SMALL LETTER CHI ← φ Greek and Coptic ψ →

Translingual

Alternative forms

• (IPA): ꭓ

Pronunciation

• IPA

  (file)

Symbol

χ

1. (IPA) a voiceless uvular fricative.
2. (superscript ⟨ᵡ⟩, IPA) -fricated release of a plosive (e.g. , sometimes implying an affricate ); -coloring; or a weak, fleeting or epenthetic .
3. (mathematics) characteristic function (any meaning) or characteristic polynomial

Usage notes

• Not to be confused with κ (k) (the cursive kappa).

See also

• χ on Wikipedia.Wikipedia
• Voiceless uvular fricative on Wikipedia.Wikipedia

Ancient Greek

Etymology

Derived from its majuscule counterpart Χ.

Letter

χ • (kh) (lowercase, uppercase Χ)

1. Lower-case chi (χεῖ), the 22nd letter of the ancient Greek alphabet. It represented the voiceless aspirated velar plosive /kʰ/ and later the voiceless velar fricative /x/. It is preceded by φ and followed by ψ.

Derived terms

See also chi

• χ΄, ͵χ
• х, Х (Cyrillic)
• 𐍇 (Gothic)
• ⲭ, Ⲭ (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

χ • (ch) (lowercase, uppercase Χ)

1. The lower case letter chi (χι), the 22nd 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 ϝ, Ͷ ͷ, Ͱ ͱ, Ϻ ϻ, Ϙ ϙ, Ͳ ͳ
• (punctuation) · ;
• (diacritics) ᾿ ῾ ◌́ ◌̀ ῀ ¨
• χ΄
• ͵χ