diathermal, a.
(daɪəˈθɜːməl)
[f. Gr. διά through (dia-1) + thermal (Gr. θερµ-ός warm, θέρµ-η, θερµ-όν heat): rendering F. diathermane; see next.]
= diathermic a. 1, diathermanous. Also fig.
1835 Faraday tr. Melloni in L. & E. Phil. Mag. VII. 475 (title), On the Immediate transmission of Calorific Rays through Diathermal Bodies. 1923 Blackw. Mag. Nov. 584/2 The Diplomatic Body's process of diathermal hibernation. |