Thermal resistivity The reciprocal of thermal conductivity is thermal resistivity, measured in kelvin-metres per watt (K*m/W). Also called Specific Thermal Resistance. Thermodynamics QUDT http://qudt.org/vocab/quantity#Thermalresistivity ODM2 Units Type Controlled Vocabulary ODM2 Working Group A vocabulary for describing the type of the Unit or the more general quantity that the Unit represents.