β
( IPA , UPA ) a voiced bilabial fricative or, occasionally, approximant .
( superscript ⟨ᵝ⟩ , IPA ) [β] -fricated release of a plosive (e.g. [bᵝ] , sometimes implying an affricate [b͜β] ); [β] -coloring; or a weak, fleeting or epenthetic [β] .
Specifically, on a vowel letter: a compressed vowel, e.g. Swedish /ʏᵝː/ .
On a Shona consonant: a whistled sibilant /z̤ᵝ/ .
( chemistry ) Used in chemical nomenclature to refer to the second of several isomers , positions or variations .
β -carotene is the most well-known isomer of tetraterpene hydrocarbons , C40 H56 .
( topology ) Stone–Čech compactification
( physics ) beta ray , beta particle , beta radiation
( relativity ) speed parameter ,
β
=
v
c
{\displaystyle \beta ={\frac {v}{c}}}
γ
=
1
1
−
β
2
=
1
1
−
v
2
c
2
{\displaystyle \gamma ={1 \over {\sqrt {1-\beta ^{2}}}}={1 \over {\sqrt {1-{v^{2} \over c^{2}}}}}}
( IPA ) ⟨β̞⟩ (specifically an approximant)
IPA (key ) : /v(ə)/
β (v ) (upper case Β , lower case β )
The 2nd letter of the Arvanitic Albanian Greek-script alphabet.
(Greek-script letters ) Α α , Β β , Ƃ ƅ , Γ γ , Γϳ γϳ , Δ δ , D d , Ε ε , Ε̱ ε̱ , Ζ ζ , Ζ̇ ζ̇ , Θ θ , Ι ι , Ϳ ϳ , Κ κ , Κ̇ κ̇ , Λ λ , ΛΛ λλ , Λ̇ λ̇ , Μ μ , Ν ν , Ν̇ ν̇ , Ο ο , Π π , Ρ ρ , Ρ̇ ρ̇ , Σ σ , Σ̈ σ̈ , Τ τ , Ȣ ȣ , Υ υ , Φ φ , Χ χ , Χ̇ χ̇ , ΤΣ τσ , ΤΣ̈ τσ̈ , DΣ dσ , DΣ̈ dσ̈
( Latin-script letters) shkronjë ; A a , B b , C c , Ç ç , D d , Dh dh , E e , Ë ë , F f , G g , Gj gj , H h , I i , J j , K k , L l , Ll ll , M m , N n , Nj nj , O o , P p , Q q , R r , Rr rr , S s , Sh sh , T t , Th th , U u , V v , X x , Xh xh , Y y , Z z , Zh zh
Derived from its majuscule counterpart Β , from the Phoenician letter 𐤁 , beth .
β • (b ) (lowercase , uppercase Β )
Lower-case beta (βῆτα ), the second letter of the ancient Greek alphabet . It represented the voiced bilabial plosive : /b/ and later the voiced labiodental fricative /v/ . It is preceded by α and followed by γ .
See also beta
( 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 ) ᾿ ῾ ◌́ ◌̀ ῀ ¨
β • (v ) (lowercase , uppercase Β )
Lower-case beta (βήτα ), the second letter of the modern Greek alphabet . It represents the voiced labiodental fricative : /v/ . It is preceded by α and followed by γ .
β' ( v' , “ two, 2 ” )
,β ( ,v , “ two thousand, 2,000 ” )
Appendix: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 ) ᾿ ῾ ◌́ ◌̀ ῀ ¨