Medical Dictionary

law of thermodynamics

noun

Medical Definition of LAW OF THERMODYNAMICS

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 spontaneous processes result in an increase of total entropy—called also second law of thermodynamics
3
:  a law in physics: at the absolute zero of temperature the entropy of any pure crystalline substance is zero and its derivative with respect to temperature is zero—called also third law of thermodynamics
July 06, 2015
categorical Hear it
absolute or relating to a category
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