beta


beta
Second letter of the Greek alphabet, β (see entry at start of letter “B's.” [G.]
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Biomedical Electronics Technicians Association

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be·ta 'bāt-ə, chiefly Brit 'bē-tə n
1) the second letter of the Greek alphabet symbol ß or ß
2) BETA PARTICLE
3) BETA WAVE
beta or ß- adj
1) of or relating to one of two or more closely related chemical substances <the beta chain of hemoglobin> <ß-yohimbine> used somewhat arbitrarily to specify ordinal relationship or a particular physical form and esp. one that is allotropic, isomeric, stereoisomeric, or sometimes polymeric (as in ß-D-glucose)
2) second in position in the structure of an organic molecule from a particular group or atom also occurring at or having a structure characterized by such a position <\beta substitution>
3) producing a zone of decolorization when grown on blood media used of some hemolytic streptococci or of the hemolysis they cause

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Be·ta (beґtə) [L.] the beets, a genus of herbaceous plants of the family Chenopodiaceae. B. vulgaґris L. is the sugar beet, a commercial source of sucrose. The leafy tops of beets are rich in oxalates and can cause oxalate poisoning in animals that eat them in large amounts.

Medical dictionary. 2011.

Look at other dictionaries:

  • 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