diathermancy

noun

di·​a·​ther·​man·​cy

ˌdīəˈthərmənsē

variants or diathermacy

-məsē

plural -es

: the ability to transmit infrared radiation compare athermancy

Word History

Etymology

diathermancy from French diathermansie, from Greek dia- + thermansis heating, from thermainein to heat, from thermos hot; diathermacy from French diathermasie, from Greek diathermasia heating effect, from diathermainein to heat through, from dia- + thermainein

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