• noun
• synonym
• antonym

• first law of thermodynamics (noun)
  1. the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
• law of thermodynamics (noun)
  1. physics a law governing the relations between states of energy in a closed system
• second law of thermodynamics (noun)
  1. 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
• thermodynamics of equilibrium (noun)
  1. the aspect of thermodynamics concerned with thermal equilibrium
• third law of thermodynamics (noun)
  1. law stating that the entropy of a substance approaches zero as its temperature approaches absolute zero
• zeroth law of thermodynamics (noun)
  1. 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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