- the branch of chemistry dealing with the relationship between chemical action and heat.
Origin of thermochemistry
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- the branch of chemistry concerned with the study and measurement of the heat evolved or absorbed during chemical reactions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper
- The study of the chemistry of heat and heat-associated chemical phenomena.
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- The branch of chemistry that is concerned with the heat generated by chemical reactions and by changes of state.
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