β

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β U+03B2, β
GREEK SMALL LETTER BETA
α
Greek and Coptic γ
U+1D5D, ᵝ
MODIFIER LETTER SMALL BETA

Phonetic Extensions
𝛽 U+1D6FD, 𝛽
MATHEMATICAL ITALIC SMALL BETA
𝛼
Mathematical Alphanumeric Symbols 𝛾

Translingual

Alternative forms

Pronunciation

  • (file)

Symbol

β

  1. (IPA) a voiced bilabial fricative or, occasionally, approximant.
  2. (superscript ⟨ᵝ⟩, IPA) -fricated release of a plosive (e.g. , sometimes implying an affricate ); -coloring; or a weak, fleeting or epenthetic .
    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

See also

Albanian

Pronunciation

IPA(key): /v(ə)/

Letter

β (v) (upper case Β, lower case β)

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

See also

Ancient Greek

Etymology

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

Letter

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

See also beta

See also

Greek

Letter

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

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

See also