bolometric

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bo·lom·e·ter

B0375900 (bō-lŏm′ĭ-tər)n. An instrument that measures radiant energy by correlating the radiation-induced change in electrical resistance of a blackened metal foil with the amount of radiation absorbed.
[Greek bolē, ray; see gwelə- in Indo-European roots + -meter.]
bo′lo·met′ric (bō′lə-mĕt′rĭk) adj.bo′lo·met′ri·cal·ly adv.
Thesaurus
Adj.1.bolometric - of or relating to a bolometer