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