What's the noun for betaed? Here's the word you're looking for.
beta
The name of the second letter of the Greekalphabet (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.
Used in marking scheme: α, β, γ or α+, α, α-, β etc.
(finance) Average sensitivity of a security's price to overall securities market prices.
(computing) The phase of development after alpha testing and before launch, in which software, while not complete, has been released to potential users for testing.
(computing) A computer program in such a phase; a preliminary version.
(climbing) Information about a route which may aid someone in climbing it.