Diathermancy's

diathermancy

[dahy-uh-thur-muhn-see]
noun, plural diathermancies.
the property of transmitting heat as electromagnetic radiation.

Origin:
1830–40; < French diathermansie < Greek dia- dia- + thérmansis heating, equivalent to therman- (variant stem of thermaínein to warm, heat, derivative of thermós hot) + -sis -sis

diathermanous, adjective
nondiathermanous, adjective
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World English Dictionary
diathermancy (ˌdaɪəˈθɜːmənsɪ)
 
n , pl -cies
the property of transmitting infrared radiation
 
[C19: from French diathermansie, from dia- + Greek thermansis heating, from thermainein to heat, from thermos hot]
 
dia'thermanous
 
adj

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