Definition of thermochemistry in English:

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Pronunciation: /θəːməʊˈkɛmɪstri/


[mass noun]
The branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions.
Example sentences
  • This facilitated the steady advances being made in the field of thermodynamics and in thermochemistry, which is the application of thermodynamics to chemical processes.
  • The basic laws of thermochemistry can be expressed in terms of the change in enthalpy.
  • This line of research was later developed by the Swiss-Russian chemist Henri Hess in the 1830s. Hess's development and extension of the work of Lavoisier and Laplace has earned him the title of father of thermochemistry.



Pronunciation: /ˌθəːməʊˈkɛmɪk(ə)l/
Example sentences
  • Gases rich in hydrogen sulphide associated with thermochemical sulphate reduction are common features of petroleums found in deep reservoirs in the Gulf of Mexico and Alberta.
  • Since 1948, the thermochemical calorie has been defined as equivalent to 4.1840 joules.
  • However, some hydrocarbons may react with the rocks, as in the case of thermochemical sulfate reduction (discussed below).
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