View source for Β

{{also|Β|ꞵ|β̞|ẞ|β|ß|阝|Appendix:Variations of "b"}}
{{character info}}
{{character info/var|ᵝ|𝛽}}

==Translingual==

===Alternative forms===
* {{sense|IPA}} [[ꞵ]]

===Pronunciation===
* {{audio|mul|Voiced_bilabial_fricative.ogg|IPA}}

===Symbol===
{{wikipedia|Voiced bilabial fricative}}
{{head|mul|symbol}}

# {{lb|mul|IPA|UPA}} a [[voiced]] [[bilabial]] [[fricative]] or, occasionally, [[approximant]].
# {{lb|mul|superscript {{angbr IPA|ᵝ}}|IPA}} {{IPAfont|[β]}}-fricated [[release]] of a plosive (e.g. {{IPAfont|[bᵝ]}}, sometimes implying an [[affricate]]  {{IPAfont|[b͜β]}}); {{IPAfont|[β]}}-coloring; or a weak, fleeting or epenthetic {{IPAfont|[β]}}.
#: {{ng|Specifically, on a vowel letter:}} a [[compressed]] vowel, e.g. Swedish {{IPAfont|/ʏᵝː/}}.
#: {{ng|On a [[Shona]] consonant:}} a [[whistled]] sibilant {{IPAfont|/z̤ᵝ/}}.
# {{lb|mul|chemistry}} Used in [[chemical nomenclature]] to refer to the second of several [[isomer]]s, [[position]]s or [[variation]]s.
#: {{ux|mul|'''β'''-carotene is the most well-known isomer of tetraterpene [[hydrocarbon]]s, C{{sub|40}}H{{sub|56}}.}}
# {{lb|mul|topology}} {{w|Stone–Čech compactification}}
# {{lb|mul|physics}} [[beta ray]], [[beta particle]], [[beta radiation]]
# {{lb|mul|relativity}} [[speed parameter]], <math>\beta = \frac{v}{c}</math>
#: <math>\gamma = {1 \over \sqrt{1 - \beta^2}} = {1 \over \sqrt{1 - {v^2 \over c^2}}} </math>

===Derivations===
* {{lb|mul|IPA}} [[β̞|{{angbr IPA|β̞}}]] (specifically an approximant)

===See also===
* {{pedia}}

[[Category:IPA symbols|B]]

==Albanian==

===Pronunciation===
{{IPA|sq|/v(ə)/}}

===Letter===
{{head|sq|letter|tr=v|upper case|Β|lower case|β}}

# The 2nd letter of the [[Arvanitic]] Albanian Greek-script alphabet.

===See also===
{{list:Greek script letters/aat}}
{{list:Latin script letters/sq}}

==Ancient Greek==

===Etymology===
Derived from its [[majuscule]] counterpart [[Β]], from the [[Phoenician]] letter [[𐤁]], [[beth]].

===Letter===
{{head|grc|letter|lowercase||uppercase|Β}}

# Lower-case [[beta]] ({{l|grc|βῆτα|tr=-}}), the second letter of the ancient [[Greek alphabet]]. It represented the [[w:voiced bilabial plosive|voiced bilabial plosive]]: {{IPAchar|/b/}} and later the {{w|voiced labiodental fricative}} {{IPAchar|/v/}}. It is preceded by [[α]] and followed by [[γ]].

====Derived terms====
See also [[beta]]
* {{l|el|β'}}, {{l|el|,β}}
* {{l|mul|b}}, {{l|mul|B}} {{qualifier|[[Roman]]}}
* {{l|mul|б|sc=Cyrl}}, {{l|mul|Б|sc=Cyrl}}; {{l|mul|в|sc=Cyrl}}, {{l|mul|В|sc=Cyrl}} {{qualifier|[[Cyrillic]]}}
* {{l|got|𐌱|tr=-}} {{qualifier|[[Gothic]]}}
* {{l|cop|ⲃ|sc=Copt|tr=-}}, {{l|cop|Ⲃ|sc=Copt|tr=-}} {{qualifier|[[Coptic]]}}
* {{l|en|β-particle}}

===See also===
* {{Grek-script}}

==Chinese==

===Etymology===

===Pronunciation===
{{zh-pron
|m=bèitǎ,bī
|cat=n
}}

===Noun===
{{head|zh|nouns}}

# {{alt form|zh|貝塔}}
# {{lb|zh|Mandarin|chiefly|Internet slang}} {{alt form|zh|屄}}

==Greek==

===Letter===
{{head|el|letter|lowercase||uppercase|Β}}

# Lower-case [[beta]] ([[βήτα]]), the second letter of the modern [[Greek alphabet]]. It represents the [[w:voiced labiodental fricative|voiced labiodental fricative]]: {{IPAchar|/v/}}. It is preceded by [[α]] and followed by [[γ]].

====Derived terms====
* {{l|el|β'|t=two, 2}}
* {{l|el|,β|t=two thousand, 2,000}}

====See also====
* [[Appendix:Greek alphabet]]
* {{Grek-script}}