β

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β U+03B2, β
GREEK SMALL LETTER BETA
α
[U+03B1]
Greek and Coptic γ
[U+03B3]

Translingual

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Alternative forms

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Pronunciation

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  • IPA:(file)

Symbol

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β

  1. (IPA, UPA) a voiced bilabial fricative or, occasionally, approximant.
  2. (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/.
  3. (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, C40H56.
  4. (topology) Stone–Čech compactification
  5. (physics) beta ray, beta particle, beta radiation
  6. (relativity) speed parameter,

Derivations

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See also

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Albanian

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Pronunciation

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IPA(key): /v(ə)/

Letter

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β (v) (upper case Β, lower case β)

  1. The 2nd letter of the Arvanitic Albanian Greek-script alphabet.

See also

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Ancient Greek

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Etymology

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Derived from its majuscule counterpart Β, from the Phoenician letter 𐤁, beth.

Letter

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β (b) (lowercase, uppercase Β)

  1. 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.

Derived terms

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See also beta

See also

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Greek

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Letter

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β (v) (lowercase, uppercase Β)

  1. 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.

Derived terms

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  • β' (v', two, 2)
  • (,v, two thousand, 2,000)

See also

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