beta

beta
/bay"teuh/ or, esp. Brit., /bee"-/, n.
1. the second letter of the Greek alphabet (B).
2. the consonant sound represented by this letter.
3. (cap.) Astron. a star that is usually the second brightest of a constellation: The second brightest star in Taurus is Beta Tauri.
4. Chem.
a. one of the possible positions of an atom or group in a compound.
b. one of two or more isomeric compounds.
5. the second of any series, as in chemistry or physics.
6. Also called beta coefficient, beta line. Stock Exchange. an arbitrary measure of the volatility of a given stock using an index of the volatility of the market as a whole: A beta of 1.1 indicates a stock that is 10 percent more volatile than the market.
7. (cap.) Trademark. a brand of tape format for VCR tape, incompatible with other formats. Cf. VHS.
8. Chiefly Brit. a grade showing that a student is in the middle or second of three scholastic sections in a class. Cf. alpha (def. 7), gamma (def. 9).
[ < L < Gk bêta < Sem; cf. Heb beth BETH]

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(as used in expressions)
beta adrenergic blocking agent

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Universalium. 2010.

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  • bêta — bêta …   Dictionnaire des rimes

  • Beta — may refer to: *Beta (β), the second letter of the Greek alphabetIn finance: * Beta coefficient in Capital Asset Pricing ModelIn mathematics: * Beta function in mathematics * Beta distribution in statistics * False negative rate in statistics *… …   Wikipedia

  • Beta —  Pour l’article homophone, voir Bêta. Pour les articles homonymes, voir Beta (homonymie) …   Wikipédia en Français

  • Béta — Bêta  Pour l’article homophone, voir Beta. Pour les articles homonymes, voir Bêta (homonymie). Bêta …   Wikipédia en Français

  • BETA — Класс языка: объектно ориентированное программирование Появился в: 1992 Автор(ы): Кристен Нюгорд, Ole Lehrmann Madsen, Birger Møller Pedersen и Bent Bruun Kristensen Типизация данных: строгая, статическая Основны …   Википедия

  • BETA — ist eine reine objektorientierte Programmiersprache, welche wie Simula auch in Skandinavien entwickelt wurde. Technisch gesehen bietet BETA einige besondere Eigenschaften, so werden Klassen und Prozeduren als ein gemeinsames Konzept, den Pattern …   Deutsch Wikipedia

  • beta — s.m. 1. A doua literă a alfabetului grecesc, corespunzând sunetului b. 2. (fiz.; în sintagmele) Particulă beta = electron negativ sau pozitiv emis de unele substanţe radioactive. Radiaţie beta = radiaţie constituită din particule beta. – Din fr.… …   Dicționar Român

  • BETA — is a pure object oriented language originating within the Scandinavian School in object orientation where the first object oriented language Simula was developed. From a technical perspective, BETA provides several unique features. Classes and… …   Wikipedia

  • beta — |ê| s. f. 1. Mancha comprida ou faixa de cor diferente nas penas ou pelo do animal. = LISTA, LISTRA 2. Qualquer mancha comprida. 3. Mancha na pele. 4. Filão, veio. 5.  [Marinha] Corda ou cabo. 6.  [Marinha] Talha na extremidade dos guardins. 7. … …   Dicionário da Língua Portuguesa

  • Beta — Be ta, n. [Gr. bh^ta.] The second letter of the Greek alphabet, B, [beta]. See {B}, and cf. etymology of {Alphabet}. Note: Beta (B, [beta]) is used variously for classifying, as: (a) (Astron.) To designate some bright star, usually the second… …   The Collaborative International Dictionary of English

  • bêta- — ❖ ♦ Élément (écrit aussi β ) utilisé en chimie organique pour caractériser le deuxième d une série d isomères, indiquer la présence dans un composé d un atome de carbone séparant deux fonctions, préciser la structure stéréochimique des sucres,… …   Encyclopédie Universelle

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