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athermanous

adjective
  1. capable of stopping radiant heat or infrared radiation
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

Examples from the Web for athermanous

Historical Examples of athermanous

  • It has been shown that rock-salt is extremely opaque or athermanous to the radiations from a piece of heated rock-salt.