 The first letter of the Greek alphabet, Α α, also has some cultural meanings; see alpha (letter). ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ The symbol α is used to describe: ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ - In aerodynamics, the angle of attack, and is termed such in aerospace industry jargon.
- Alpha (Investment), a coefficient measuring the risk-adjusted performance, considering the risk due to the specific security, rather than the overall market.
- Fine-structure constant, usually denoted (Alpha)
- In computer science, α can denote the inverse Ackermann function.
- Alpha particles
- H-alpha, or H-α, an emission line created by hydrogen atoms.
- α , in Bayer designation the (typically) brightest star in a constellation.
The term alpha is used to refer to or describe a wide variety of things, for example: ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ - Alpha is often used as an adjective to indicate the first or most significant occurrence of something, as in alpha male or alpha version.
- The letter A in the NATO phonetic alphabet is spelled Alfa to conform to its spelling in most other European languages.
- A male in police CB code. (Delta represents a female)
- In sociobiology when describing a dominance hierarchy in a group like a wolf pack or amongst chimpanzees, the highest ranking creatures are the "Alpha male" and "Alpha female"; this is the individual in a community to whom the others defer (coversely, Omega refers to the lowest rank).
- Alpha is used in the Christian New Testament to refer to God as the beginning of all things. See Revelations 1:8, 21:6, 22:13.
- Alpha has been considered a name for the International Space Station.
- Alpha, Michigan
- Alpha, Minnesota
- Alpha, New Jersey
- Alpha is also the highest and most intelligent caste in Aldous Huxley's dystopic satire, Brave New World.
- Moonbase Alpha was the primary setting for the fictional television series '.
- ARC Trooper A-17 from Star Wars, who was nicknamed Alpha
- The nickname of the Power Rangers character, Alpha 5/Alpha 6/Alpha 7.
- Alpha (computer) - a fictional computer in Mike Walker's radio play Alpha.
- ' is a name of the first cards set.
- Alpha, a British electronic music group.
- alpha geek - a slang term based on the above, referring to any person considered pre-eminent amongst geeks, such as Linus Torvalds.
- alpha version or alpha release - the first release of a computer program or other product, likely to be very unstable but useful for demonstrating internally and to select customers.
Alpha may also be used in: ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ - Alpha channel - a transparency information layer to supplement the three RGB color layers to make the RGBA color space.
- Alpha course, a course in Christianity
- Alpha squad, a Russian special unit
- Alpha TV - a Greek terrestrial channel
- Alpha TV Gujarati - a Gujarati language channel in India.
- Alpha waves recorded by electroencephalography
- In electrical engineering and electronics, the Greek letter α is often used to refer to the ratio of DC collector current to DC emitter current of a bipolar junction transistor.
- In electrical engineering and electromagnetic theory, the Greek letter α is often used to refer to the attenuation constant of an electromagnetic wave propagating through a specific medium.
- Cronbach's alpha - a statistical measure of reliability.
- DEC Alpha, a microprocessor from DEC.
Greek alphabet: The Greek language is written in the Greek alphabet, developed in classical times (ca 9th century B.C.) and passed down to the present. It is the world's oldest alphabet in use today. In ancient Greece its letters were also used to represent numbers, called Greek numerals, analogous to Roman numeral... Alpha (letter): Alpha (uppercase ?, lowercase ?) is the first letter of the Greek alphabet. In the system of Greek numerals it has a value of 1. Letters that arose from Alpha include the Latin A and the Cyrillic letter A....
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