Definitions
1.nounThe 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.
2.nounUsed in marking scheme: α, β, γ or α+, α, α-, β etc.
3.nounAverage sensitivity of a security's price to overall securities market prices.
4.nounThe phase of development after alpha testing and before launch, in which software, while not complete, has been released to potential users for testing."The company is offering a public beta program to test the software."
5.nounSoftware in such a phase; a preliminary version.
6.nounInformation about a route which may aid someone in climbing it.
7.nounA beta particle or beta ray.
8.nounIn omegaverse fiction, a person of a (usually secondary) gender/sex that mirrors the biology of a normal human, being free from the biological drives of alphas and omegas but generally capable of bonding and mating with either.
9.verbTo preliminarily release computer software for initial testing prior to final release.
10.verbTo beta-read a text.
11.noun(manosphere, pickup community) A man who is less competent or desirable than an alpha male.
12.nounAny fish of the genus Betta, especially Betta splendens (the Siamese fighting fish).