diathermancy

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

noun, plural di·a·ther·man·cies.

the property of transmitting heat as electromagnetic radiation.

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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

OTHER WORDS FROM diathermancy

di·a·ther·ma·nous, adjectivenon·di·a·ther·ma·nous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for diathermancy

  • The Diathermancy of Ebonite, by some incomprehensible process, drove her bewildered mind back on her old companion.

    Heart and Science|Wilkie Collins
  • Have you ever heard, my dear, of the Diathermancy of Ebonite?

    Heart and Science|Wilkie Collins
  • Diathermancy, the property that is possessed in various degrees by different substances, of transmitting radiant heat.

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

British Dictionary definitions for diathermancy

diathermancy
/ (ˌdaɪəˈθɜːmənsɪ) /

noun plural -cies

the property of transmitting infrared radiation

Derived forms of diathermancy

diathermanous, adjective

Word Origin for diathermancy

C19: from French diathermansie, from dia- + Greek thermansis heating, from thermainein to heat, from thermos hot
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012