Alpha Al"pha, n. [L. alpha, Gr. 'a`lfa, from Heb. [=a]leph, name of the first letter in the alphabet, also meaning ox.] The first letter in the Greek alphabet, answering to A, and hence used to denote the beginning. [1913 Webster]

In am Alpha and Omega, the beginning and the end, the first and the last. --Rev. xxii. 13. [1913 Webster]

Note: Formerly used also denote the chief; as, Plato was the alpha of the wits. [1913 Webster]

Note: In cataloguing stars, the brightest star of a constellation in designated by Alpha ([alpha]); as, [alpha] Lyr[ae]. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • alpha — alpha …   Dictionnaire des rimes

  • Alpha — may refer to:The Greek letter alphaAlpha (letter), a letter in the Greek alphabet. α may be used as the symbol for: *Alpha channel, describing transparency and opacity in computer graphics *Angle of attack in aerodynamics *Common base current… …   Wikipedia

  • alpha — [ alfa ] n. m. • XIIe; mot gr. 1 ♦ Première lettre (α) de l alphabet grec. Alpha privatif, qui donne, dans les composés grecs, une valeur négative. ♢ Fig. (expr. de l Apocalypse, en parlant de Dieu) L alpha et l oméga : le commencement et la fin …   Encyclopédie Universelle

  • Alpha — Alpha, NJ U.S. borough in New Jersey Population (2000): 2482 Housing Units (2000): 1034 Land area (2000): 1.697667 sq. miles (4.396936 sq. km) Water area (2000): 0.038457 sq. miles (0.099604 sq. km) Total area (2000): 1.736124 sq. miles (4.496540 …   StarDict's U.S. Gazetteer Places

  • Alpha — Saltar a navegación, búsqueda El término Alpha puede referirse a: Alpha, el nombre en inglés de la letra alfa (Α) del alfabeto griego; Alpha, un planeta imaginario creado por Isaac Asimov; Alpha , una nomenclatura no oficial de la Estación… …   Wikipedia Español

  • alpha — c.1300, from L. alpha, from Gk. alpha, from Hebrew or Phoenician aleph (see ALEPH (Cf. aleph)). The Greeks added a because Greek words cannot end in most consonants. Sense of beginning of anything is from late 14c., often paired with omega (last… …   Etymology dictionary

  • alpha- — ❖ ♦ Élément de noms de chimie (⇒ Alpha) servant à indiquer, dans la formule d un composé organique, un premier groupement contigu à un autre (alphanaphtol, alpha sulfonate) …   Encyclopédie Universelle

  • alpha — ► NOUN 1) the first letter of the Greek alphabet (A, ), transliterated as ‘a’. 2) Brit. a first class mark given for a piece of work. ● alpha and omega Cf. ↑alpha and omega ORIGIN Greek …   English terms dictionary

  • alpha — [al′fə] n. [Gr < NW Sem: cf. Heb alef, ALEPH] 1. the first letter of the Greek alphabet (Α, α) 2. the beginning of anything 3. [A ] Astron. the name assigned to the brightest star in each constellation: followed by the constellation s name in… …   English World dictionary

  • alpha — ALPHA. s. m. La première lettre de l alphabet grec; au figuré, Commencement, premier. L alpha et l omega, pour dire, Le commencement et la fin …   Dictionnaire de l'Académie Française 1798

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