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first law of thermodynamics

 
Noun first law of thermodynamics has 1 sense
  1. conservation of energy, law of conservation of energy, first law of thermodynamics - the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
    --1 is a kind of conservation; law of thermodynamics
first hand first harmonic first in first out first kiss first lady first lancer first language first law of motion first law of thermodynamics first lieutenant first light first lord of the treasury first marquess cornwallis first mate first moment first mortgage first name

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