thermodynamics : Idioms & Phrases

Index

first law of thermodynamics

  • noun the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
    conservation of energy; law of conservation of energy.
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law of thermodynamics

  • noun (physics) a law governing the relations between states of energy in a closed system
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second law of thermodynamics

  • noun a law stating that mechanical work can be derived from a body only when that body interacts with another at a lower temperature; any spontaneous process results in an increase of entropy
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thermodynamics of equilibrium

  • noun the aspect of thermodynamics concerned with thermal equilibrium
    thermostatics.
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third law of thermodynamics

  • noun law stating that the entropy of a substance approaches zero as its temperature approaches absolute zero
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zeroth law of thermodynamics

  • noun the law that if two bodies are in thermal equilibrium with a third body then the first two bodies are in thermal equilibrium with each other
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