dictionary · eo1.org

alpha

Fetched 2026-10-26 (cache).

Synonyms: aloha, apha, alpia, alpa, alph, altha, ulpha, alha, alpfa, aupha

Antonyms: aloha, apha, alpia, alpa, alph, altha, ulpha, alha, alpfa, aupha

Related words from Datamuse; suggestions, not definitions.

Noun

  1. {{senseid|en|Q9887}}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'''.
  2. {{senseid|en|Q652798}}{{w|Latin alpha}}: the Latin letter '''[[Ɑ]]''' (minuscule: '''[[ɑ]]''').
  3. {{lb|en|science}} The name of the [[symbol|symbols]] '''Α''' and '''α''' used in science and mathematics, often interchangeable with the symbols when used as a prefix.
  4. {{lb|en|finance}} The return of a given [[asset]] or [[portfolio]] adjusted for [[systematic risk]].
  5. A person, especially a male, who is dominant, successful and attractive; (see [[alpha male]]).
  6. {{lb|en|informal}} {{clip of|en|alphabet}}. {{rfex|en}}
  7. {{lb|en|software engineering}} The first versions of a program, usually only available to the developer, and only tested by the developer.
  8. {{lb|en|aviation}} An [[angle of attack]].
  9. {{lb|en|computer graphics}} The level of [[translucency]] of a color, as determined by the [[alpha channel]].
  10. {{lb|en|computer graphics}} {{ellipsis of|en|alpha layer}}.
  11. {{lb|en|statistics}} The [[significance level]] of a statistical test; the [[alpha level]].
  12. {{lb|en|fandom}} In [[omegaverse]] [[fiction]], a person of a [[dominant]] secondary [[sex]] driven by [[biology]], [[magic]], or other means to [[bond]] with an [[omega]], with [[male]]s of this type often having [[canine]]-like [[genitalia]].

Adjective

  1. Designates the first in an [[order of precedence]].
  2. {{lb|en|of person, object or action}} [[exhibit|Exhibit]]ing characteristics of the [[alpha male]]/[[alpha female|female]] [[archetype]].
  3. {{lb|en|star}} Designates some bright star, usually the brightest star, of a {{l|en|constellation}}.
  4. {{clipping of|en|alphabetical}}.

Proper noun

  1. A [[placename]].
  2. {{former name of|en|the [[International Space Station]]}}.
  3. {{lb|en|computing}} A [[RISC]] [[CPU]] [[instruction set]] [[architecture]] developed and marketed by {{w|Digital Equipment Corporation}} (then later by Compaq and then Hewlett-Packard) from 1992 until 2004.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.