Definitions
1.nounThe name of the first letter of the Greek alphabet (Α, α), followed by beta. In the Latin alphabet it is the predecessor to A.
2.nounLatin alpha
3.nounThe name of the symbols Α and α used in science and mathematics, often interchangeable with the symbols when used as a prefix."I will attempt to make an alpha particle ("α-particle") with the Large Hadron Collider."
4.nounThe return of a given asset or portfolio adjusted for systematic risk.
5.nounA person, especially a male, who is dominant, successful and attractive; (see alpha male).
6.noun(abbreviation) Alphabet.
7.nounThe first versions of a program, usually only available to the developer, and only tested by the developer.
8.nounThe level of translucency of a color, as determined by the alpha channel.
9.nounThe significance level of a statistical test; the alpha level.
10.nounIn omegaverse fiction, a person of a sexually-dominant (and sometimes secondary) gender/sex that is driven by biology, magic, or other means to bond with an omega, with males of this type often having canine-like genitalia.