e/Bridgman's thermodynamic equations

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has gloss	eng: In thermodynamics, Bridgman's thermodynamic equations are a basic set of thermodynamic equations, derived using a method of generating a large number of thermodynamic identities involving a number of thermodynamic quantities. The equations are named after the American physicist Percy Williams Bridgman. (See also the exact differential article for general differential relationships).
lexicalization	eng: Bridgman's thermodynamic equations
instance of	(noun) a mathematical statement that two expressions are equal equation