physical constant

physical constant
A physical quantity that is generally believed to be both universal in nature and constant in time.

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  • Physical constant — A physical constant is a physical quantity that is generally believed to be both universal in nature and constant in time. It can be contrasted with a mathematical constant, which is a fixed numerical value but does not directly involve any… …   Wikipedia

  • physical constant — fizikinė konstanta statusas T sritis Standartizacija ir metrologija apibrėžtis Pastovus dydis, įeinantis į kurio nors fizikos dėsnio matematinę išraišką. atitikmenys: angl. physical constant vok. physikalische Konstante, f rus. физическая… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • physical constant — fizikinė konstanta statusas T sritis fizika atitikmenys: angl. physical constant vok. physikalische Konstante, f rus. физическая постоянная, f pranc. constante physique, f …   Fizikos terminų žodynas

  • physical constant —  any of a set of fundamental invariant quantities observed in nature and appearing in the basic theoretical equations of physics. Accurate evaluation of these constants is essential in order to check the correctness of the theories and to allow… …   Universalium

  • Dimensionless physical constant — In physics, a dimensionless physical constant (sometimes fundamental physical constant) is a universal physical constant that is dimensionless having no unit attached, so its numerical value is the same under all possible systems of units. The… …   Wikipedia

  • Fundamental physical constant (disambiguation) — * In physics, fundamental or dimensionless physical constants are, in the strictest sense, physical constants that are independent of systems of units and hence are dimensionless numbers.* In a broader sense, the phrase fundamental physical… …   Wikipedia

  • Constant — or The Constant may refer to: Contents 1 In Mathematics 2 Other concepts 3 People 4 Organization 5 …   Wikipedia

  • Constant (disambiguation) — A constant is something that does not change, over time or otherwise: a fixed value. In most fields of discourse the term is an antonym of variable , but in mathematical parlance a mathematical variable may sometimes also be called a constant.… …   Wikipedia

  • constant — constantly, adv. /kon steuhnt/, adj. 1. not changing or varying; uniform; regular; invariable: All conditions during the three experiments were constant. 2. continuing without pause or letup; unceasing: constant noise. 3. regularly recurrent;… …   Universalium

  • Constant — /kawonn stahonn /, n. 1. Paul Henri Benjamin Balluat /pawl ahonn rddee baonn zhann maonn bann lwann /. See Estournelles de Constant, Paul. 2. Jean Joseph Benjamin /zhahonn zhaw zef baonn zhann maonn /, 1845 1902, French painter. * * * (as used in …   Universalium

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