Either Greek- or Latin-style chi may be used in IPA.
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] .
( mathematics ) characteristic function (any meaning) or characteristic polynomial
Not to be confused with 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 and followed by ψ .
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 ϝ , Ͷ ͷ , Ͱ ͱ , Ϻ ϻ , Ϙ ϙ , Ͳ ͳ
( punctuation ) · ;
( diacritics ) ᾿ ῾ ◌́ ◌̀ ῀ ¨
χ • (ch ) (lowercase , uppercase Χ )
The lower case letter chi (χι ), 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 ϝ , Ͷ ͷ , Ͱ ͱ , Ϻ ϻ , Ϙ ϙ , Ͳ ͳ
( punctuation ) · ;
( diacritics ) ᾿ ῾ ◌́ ◌̀ ῀ ¨
χ΄
͵χ