Definition from Wiktionary, the free dictionary
|Unicode name||GREEK SMALL LETTER BETA|
See also Appendix:Variations of "b"
- The second letter of the Greek alphabet.
- (IPA) voiced bilabial fricative.
- (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.
See also 
β (lowercase, uppercase Β)
- Lower-case beta (βήτα), the second letter of the ancient Greek alphabet. It represented the voiced bilabial plosive: IPA: /b/. It is preceded by α and followed by γ.
- Lower-case beta (βήτα), the second letter of the modern Greek alphabet. It represents the voiced labiodental fricative: IPA: /v/. It is preceded by α and followed by γ.
Derived terms 
See also beta