The second letter of the Greek alphabet (Β, β), preceded by alpha (Α, α) and followed by gamma, (Γ, γ). In modern Greek it represents the voiced labiodental fricative sound of v found in the English words have and vase.
User Defined Definitions
"the 2nd letter of the Greek alphabet"
"second in order of importance"
"preliminary or testing stage of a software or hardware product"