Physics that deals with the relationships and conversions between heat and other forms of energy.(noun)
Thermodynamic phenomena and processes.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "thermodynamics" in a sentence
"Ditto to what Lawyer Mom said, really, weaving in thermodynamics is lacking in content?"
"I wasnâ€ ™ t very good in thermodynamics, but my guess is that the cloak is endothermic somehow, and it sucked all the heat from inside the bubble."
"Not only a world class writer, shooter and all around gentleman, but and expert in thermodynamics as well."