diathermancy

American  

[dahy-uh-thur-muhn-see] / ˌdaɪ əˈθɜr mən si /

noun

plural

diathermancies

1. the property of transmitting heat as electromagnetic radiation.

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diathermancy British  

/ ˌdaɪəˈθɜːmənsɪ /

noun

1. the property of transmitting infrared radiation

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Other Word Forms

• diathermanous adjective
• nondiathermanous adjective

Etymology

Origin of diathermancy

First recorded in 1830–40; from French diathermansie, from Greek dia- “through, completely” + thérmansis “heating,” equivalent to therman- (variant stem of thermaínein “to warm, heat,” derivative of thermós “hot”) + -sis noun suffix; see dia-, -sis

Example Sentences

The diathermancy of the plates in every case decreases very rapidly as their thickness is increased.

From The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde by Various

Such conditions are characterized by great diathermancy of atmosphere, and hence are frequently followed by days of considerable heat.

From The Art of Living in Australia ; together with three hundred Australian cookery recipes and accessory kitchen information by Mrs. H. Wicken by Muskett, Philip E.

Tyndall’s experiment on the great diathermancy of dry air agreed much better with meteorological phenomena, but he appears to have exaggerated the effect of aqueous vapour.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

Diathermancy.—A great array of data with regard to the transmissive power or diathermancy of transparent substances for the heat radiated from various sources at different temperatures were collected by Melloni, Tyndall, Magnus and other experimentalists.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

Even in the tropics, in inland districts, ground frosts are known to have occurred owing to this extreme diathermancy of the atmosphere far from the coast, and the consequent attendant factor of active terrestrial radiation.

From The Art of Living in Australia ; together with three hundred Australian cookery recipes and accessory kitchen information by Mrs. H. Wicken by Muskett, Philip E.