(see DYNAMIC), a. [f. THERMO- + DYNAMIC.] Of or relating to thermodynamics; operating or operated by the transformation of heat into motive power.
1849. Tromson (Ld. Kelvin), in Trans. R. Soc. Edin., XVI. 545. A perfect thermo-dynamic engine. Ibid. (1851), XX. 261. In some conceivable ‘thermo-dynamic’ engines.
1853. Rankine, in Phil. Trans. (1854), 125. Third Corollary (of Thermo-Dynamic Functions). Ibid., 126. This function which I shall call a Thermo-dynamic Function.
1875. J. D. Everett, C. G. S. Syst. Units, ix. 54. By thermodynamic principles, the heat converted into mechanical effect in the cycle of operations is [etc.].
1882. G. H. Darwin, in Nature, 16 Feb., 361/1. He shows that the sun and earth together constitute a thermodynamic engine whereby the earth’s rotation is accelerated.
So Thermodynamical a., in same sense; Thermodynamically adv., in a thermodynamical manner; Thermodynamician, Thermodynamicist, Thermodynamist, one versed in thermodynamics.
1860. Maury, Phys. Geog. Sea (Low), ii. § 129. By no means the only body of warm water that the *thermo-dynamical forces of the ocean keep in motion.
1901. Nature, 27 June, 210/2. If the equilibrium between the jelly substance and the water was of a purely thermodynamical character.
1889. Thurston, in Jrnl. Franklin Inst., Dec., 467. The quantity so wasted varies with the weight of steam worked thermodynamically, each stroke.
1892. Cambr. Univ. Corresp., 15 March, 14/1. He failed to make any mark as a *‘thermodynamician’ during his lifetime.
1889. Academy, 26 Oct., 273/3. The mechanical equivalent of heat—the familiar ‘J.’ of *thermodynamicists.
1901. Thurston, in Smithsonian Rep. (1902), 267. Prof. De Volson Wood, the greatest of American *thermodynamists of the nineteenth century.
