Diathermaneity :: Diathermaneity (n.) The property of transmitting radiant heat; the quality of being diathermous.
Diathermanism :: Diathermanism (n.) The doctrine or the phenomena of the transmission of radiant heat.
Diathermanous :: Diathermanous (a.) Having the property of transmitting radiant heat; diathermal; -- opposed to athermanous.
Diathermic :: Diathermic (a.) Affording a free passage to heat; as, diathermic substances..
Diathermometer :: Diathermometer (n.) An instrument for examining the thermal resistance or heat-conducting power of liquids.