first law of thermodynamics
Energy can be neither created nor destroyed (even though it can be changed in form or redistributed).

Microbiology. . 2009.

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  • first law of thermodynamics — n CONSERVATION OF ENERGY * * * see l s of thermodynamics …   Medical dictionary

  • First law of thermodynamics — In thermodynamics, the first law of thermodynamics is an expression of the more universal physical law of the conservation of energy. Succinctly, the first law of thermodynamics states: DescriptionThe first law of thermodynamics basically states… …   Wikipedia

  • first law of thermodynamics — pirmasis termodinamikos dėsnis statusas T sritis Energetika apibrėžtis Termodinaminės sistemos energijos tvermės dėsnio išraiška: sistemai suteiktas šilumos kiekis eikvojamas jos vidinei energijai didinti ir darbui išorinių jėgų lauke atlikti.… …   Aiškinamasis šiluminės ir branduolinės technikos terminų žodynas

  • first law of thermodynamics — noun the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes • Syn: ↑conservation of energy, ↑law of conservation of energy • Hypernyms: ↑conservation, ↑law of thermodynamics * * * :… …   Useful english dictionary

  • first law of thermodynamics. — See under law of thermodynamics (def. 1). * * * …   Universalium

  • first law of thermodynamics. — See under law of thermodynamics (def. 1) …   Useful english dictionary

  • First Law of Thermodynamics —   States that energy cannot be created or destroyed, but only changed from one form to another. First Law efficiency measures the fraction of energy supplied to a device or process that it delivers in its output. Also called the law of… …   Energy terms

  • law of thermodynamics — n 1) CONSERVATION OF ENERGY called also first law of thermodynamics 2) a law in physics: mechanical work can be derived from the heat in a body only when the body is able to communicate with another at a lower temperature or all actual… …   Medical dictionary

  • law of thermodynamics — noun (physics) a law governing the relations between states of energy in a closed system • Topics: ↑physics, ↑natural philosophy • Hypernyms: ↑law, ↑law of nature • Hyponyms: ↑ …   Useful english dictionary

  • law of thermodynamics — 1. any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics), the principle that no… …   Universalium

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