β

Alternative forms

 * ꞵ

Symbol

 * 1)  a voiced bilabial fricative or, occasionally, approximant.
 * 2)  -fricated release of a plosive (e.g., sometimes implying an affricate  ); -coloring; or a weak, fleeting or epenthetic.
 * a compressed vowel, e.g. Swedish.
 * a whistled sibilant.
 * 1)  Used in chemical nomenclature to refer to the second of several isomers, positions or variations.
 * 2)  beta ray, beta particle, beta radiation
 * 3)  speed parameter, $$\beta = \frac{v}{c}$$
 * $$\gamma = {1 \over \sqrt{1 - \beta^2}} = {1 \over \sqrt{1 - {v^2 \over c^2}}} $$
 * 1)  speed parameter, $$\beta = \frac{v}{c}$$
 * $$\gamma = {1 \over \sqrt{1 - \beta^2}} = {1 \over \sqrt{1 - {v^2 \over c^2}}} $$

Derivations

 * ⟨β̞⟩ (specifically an approximant)

Letter

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

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

Letter

 * 1) Lower-case beta, the second letter of the ancient Greek alphabet. It represented the voiced bilabial plosive:  and later the  . It is preceded by α and followed by γ.

Derived terms
See also beta

Letter

 * 1) Lower-case beta (βήτα), the second letter of the modern Greek alphabet. It represents the voiced labiodental fricative: . It is preceded by α and followed by γ.