The name of the first letter of the Greek alphabet (Α, α), followed by beta. In the Latin alphabet it is the predecessor to A. / Latin alpha: the Latin letter Ɑ (minuscule: ɑ).

Designates the first in an order of precedence. / (of person, object or action) Exhibiting characteristics of the alpha male/female archetype.

A ghost town in California, United States (USA). / A village in Illinois, United States. / A village in Michigan, United States. / A city and village in Minnesota, United States

plural of alpha

A secondary structure found in many proteins, in which the amino acids are arranged in a coil, or helix, with almost no free space on the inside and all side chains being pointed towards the outside

(physics) A positively charged nucleus of a helium-4 atom (consisting of two protons and two neutrons), emitted as a consequence of radioactivity; α-particle

(zoology, ethology) the dominant female animal in a pack / (by extension) a self-assured and strong woman; an alphette

The person in a group who displays the most experience or knowledge, especially with respect to technology.

(computing, technology) An early version of a program or application, typically unstable, but useful to show what the product will do. Sometimes this stage is referred to as a preview version. Sometimes no more features are added after this release, but bug fixes continue. This release comes after a pre-alpha version and before a beta version. As opposed to a beta version an alpha version is usually not feature complete.

(software, testing) A process where a software application approaching full functionality is made available to a group of sophisticated users.