[ad. F. thermologie: see THERMO- and -LOGY.] The science of heat; that department of physics which treats of heat; thermotics.

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1840.  Whewell, Philos. Induct. Sc., I. p. lxxii. The science which treats of heat has hitherto had no special designation…. M. Le Comte terms it Thermology (i.e. the science of heat). In the History of the Sciences, I have named it Thermotics.

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1843.  Mill, Logic, II. iv. § 5 (1846), I. 246. Thus mechanics, hydrostatics, optics, acoustics, and thermology, have successively been rendered mathematical.

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1858.  H. Spencer, Ess., I. 215. Thus acoustics was arrested until thermology overtook and aided it.

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  Hence Thermological a., of or pertaining to thermology.

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1871.  Proctor, Sun, iv. 193. So high an authority in meteorological and thermological questions.

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