Alpha /ˈælfə/ (uppercase Α, lowercase α) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived...

Alpha Kappa Alpha Sorority, Inc. (ΑΚΑ) is the first intercollegiate historically African American sorority. The sorority was founded on January 15, 1908...

Generation Alpha (often shortened to Gen Alpha) is the demographic cohort succeeding Generation Z. Researchers and popular media use the early 2010s as...

Alpha Phi Alpha Fraternity, Inc. (ΑΦΑ) is the oldest intercollegiate historically African American fraternity. It was initially a literary and social...

Alpha Omega Alpha Honor Medical Society (ΑΩΑ) is an honor society in the field of medicine. Alpha Omega Alpha currently has active chapters in 132 LCME-accredited...

Alpha Chi Alpha (ΑΧΑ) is a fraternity at the American Ivy League university of Dartmouth College. Alpha Chi Alpha is a member of Dartmouth's Greek system...

stages, such as pre-alpha, alpha, beta, and release candidate, before the final version, or "gold", is released to the public. Pre-alpha refers to the early...

Alpha particles, also called alpha rays or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a helium-4...

Alpha Sigma Alpha (ΑΣΑ) is a United States National Panhellenic sorority founded on November 15, 1901, at the Virginia State Female Normal School (later...

Alpha globulins are a group of globular proteins in plasma that are highly mobile in alkaline or electrically charged solutions. They inhibit certain...

Alpha Centauri (α Centauri, α Cen, or Alpha Cen) is a triple star system in the southern constellation of Centaurus. It consists of three stars: Rigil...

Alpha-gal syndrome (AGS), also known as alpha-gal allergy or mammalian meat allergy (MMA), is a type of acquired allergy characterized by a delayed onset...

Alpha Alpha was a 1972 German science fiction fantasy television series which aired on ZDF. It starred Karl Michael Vogler, Lilith Ungerer, Arthur Brauss...

In computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or...

Alpha Dog is a 2006 American crime drama film written and directed by Nick Cassavetes. It is based on the true story of the kidnapping and murder of Nicholas...

Lyman-alpha, typically denoted by Ly-α, is a spectral line of hydrogen (or, more generally, of any one-electron atom) in the Lyman series. It is emitted...

Alpha 1 or Alpha-1 may refer to: Alpha-1 adrenergic receptor, a G protein-coupled receptor Alpha-1 antitrypsin, a protein Alpha-1 antitrypsin deficiency...

Piper Alpha was an oil platform located in the North Sea about 120 miles (190 km) north-east of Aberdeen, Scotland. It was operated by Occidental Petroleum...

Alpha (Α or α) and omega (Ω or ω) are the first and last letters of the Greek alphabet, and a title of Christ and God in the Book of Revelation. This...

Alpha granules, (α-granules) also known as platelet alpha-granules are a cellular component of platelets. Platelets contain different types of granules...

Alpha-thalassemia (α-thalassemia, α-thalassaemia) is a form of thalassemia involving the genes HBA1 and HBA2. Thalassemias are a group of inherited blood...

The Dassault/Dornier Alpha Jet is a light attack jet and advanced jet trainer co-manufactured by Dassault Aviation of France and Dornier Flugzeugwerke...

Cronbach's alpha (Cronbach's α {\displaystyle \alpha } ), also known as tau-equivalent reliability ( ρ T {\displaystyle \rho _{T}} ) or coefficient alpha (coefficient...

Hydrogen-alpha, typically shortened to H-alpha or Hα, is a deep-red visible spectral line of the hydrogen atom with a wavelength of 656.28 nm in air and...

Alpha waves, or the alpha rhythm, are neural oscillations in the frequency range of 8–12 Hz likely originating from the synchronous and coherent (in phase...

This list of Alpha Kappa Alpha sorors (commonly referred to as AKAs) includes initiated and honorary members of Alpha Kappa Alpha (ΑΚΑ), the first inter-collegiate...

Alpha-blockers, also known as α-blockers or α-adrenoreceptor antagonists, are a class of pharmacological agents that act as antagonists on α-adrenergic...

source of hop bitterness. Alpha acids may be isomerized to form iso-alpha acids by the application of heat in solution. Iso-alpha acids (iso-α-acids) are...

Memory Alpha is a wiki encyclopedia for topics related to the Star Trek fictional universe. Created by Harry Doddema and Dan Carlson, it uses the wiki...

Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or "decays"...