χ - Wiktionary, the free dictionary

χ - Wiktionary, the free dictionary

χ

From Wiktionary, the free dictionary

(IPA): ꭓ

χ

(IPA) a voiceless uvular fricative.
(superscript ⟨ᵡ⟩, IPA) [χ]-fricated release of a plosive (e.g. [qᵡ], sometimes implying an affricate [q͡χ]); [χ]-coloring; or a weak, fleeting or epenthetic [χ].
(UPA) a voiceless velar fricative (IPA [x]).
(mathematics) characteristic function (any meaning) or characteristic polynomial

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

Derived from its majuscule counterpart Χ.

χ • (kh) (lowercase, uppercase Χ)

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 (ph) and followed by ψ (ps).

See also chi

(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) ᾿ ῾ ◌́ ◌̀ ῀ ¨

χ • (ch) (lowercase, uppercase Χ)

The lower case letter chi (χι (chi)), the 22nd letter of the modern Greek alphabet.

(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) ᾿ ῾ ◌́ ◌̀ ῀ ¨
χ΄
͵χ