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WordReference Random House Learner's Dictionary of American English © 2024ther•mo•dy•nam•ics /ˌθɜrmoʊdaɪˈnæmɪks/USA pronunciation n. [uncountable* used with a singular verb]- Thermodynamicsthe science concerned with the relations between heat and mechanical energy or work, and the conversion of one into the other.
ther•mo•dy•nam•ic, adj. See -therm-. WordReference Random House Unabridged Dictionary of American English © 2024ther•mo•dy•nam•ics (thûr′mō dī nam′iks),USA pronunciation n. (used with a sing. v.) - Thermodynamicsthe science concerned with the relations between heat and mechanical energy or work, and the conversion of one into the other: modern thermodynamics deals with the properties of systems for the description of which temperature is a necessary coordinate.
- thermo- + dynamics 1850–55
Collins Concise English Dictionary © HarperCollins Publishers:: thermodynamics /ˌθɜːməʊdaɪˈnæmɪks/ n - (functioning as singular) the branch of physical science concerned with the interrelationship and interconversion of different forms of energy and the behaviour of macroscopic systems in terms of certain basic quantities, such as pressure, temperature, etc
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