sb. pl. [f. as prec. + DYNAMICS.] The theory of the relations between heat and mechanical energy, and of the conversion of either into the other.
1854. Phil. Trans., 116 (heading). Mr. Macquorn Rankine on Thermo-dynamics. [Word not in article.]
1854. Thomson (Ld. Kelvin), in Trans. R. Soc. Edin., XXI. 123. Fundamental Principles of General Thermo-dynamics recapitulated.
1867. Murchison, Siluria, xx. (ed. 4), 499. The principles of thermo-dynamics.
1871. Clerk Maxwell, Heat, viii. 152. The principle of the conservation of energy, when applied to heat, is commonly called the First Law of Thermodynamics.
