beta

1. 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. (countable, uncountable)
2. Average sensitivity of a security's price to overall securities market prices. (countable, uncountable)
3. The phase of development after alpha testing and before launch, in which software, while not complete, has been released to potential users for testing. (uncountable) · The company is offering a public beta program to test the software.
4. Software in such a phase; a preliminary version. (countable)
5. Any kind of content from early development that was not used in the final product. (uncountable) · beta levels; beta characters; beta items in a video game
6. Information about a route which may aid someone in climbing it. (countable, uncountable)
7. A beta particle or beta ray. (countable, uncountable)
8. Sideslip angle. (countable, uncountable)

Plural betas