thermochrosy
(ˈθɜːməʊkrəʊsɪ, θəˈmɒkrəsɪ)
Also thermochrose (erron. -crose), -ˈchrosis.
[f. thermo- + Gr. χρῶσις colouring. Cf. F. thermochrose (Melloni).]
The ‘coloration’ of heat-rays; the property possessed by radiant heat of being composed of waves of different lengths and degrees of refrangibility (thus corresponding to the different colours of light-rays). So thermoˈchroic a., of or pertaining to thermochrosy; ˌthermochroˈology, the science of thermochrosy.
| 1847 Whewell Hist. Induct. Sc. x. i. §8 (ed. 2) II. 594 M. Melloni..has proposed for this part of thermotics the name Thermochroology. 1864 Webster, Thermochrosy. 1866 Atkinson tr. Ganot's Physics (ed. 2) §379 Different luminous rays being distinguished by their colours, to these different obscure calorific rays Melloni gave the name of thermocrosis [ed. 1877 thermocrose] or heat coloration. 1867 Miller Elem. Chem. I. 296 Thermochrosis or calorific tint..is analogous to a difference in colour. 1895 Funk's Standard Dict., Thermochroic. 1899 Syd. Soc. Lex., Thermo-chroic, pertaining to a quality of certain substances that transmit some thermal radiations, but absorb or change others. 1909 Cent. Dict. Suppl., Thermochroic, of or pertaining to the differences in wave-length of heat-waves, and to the phenomena resulting therefrom. |