en·do·thermic \“+\adjective Etymology: International Scientific Vocabulary end- + thermic 1.: characterized by or formed with absorption of heat : endoergic < endothermic chemical reactions > — opposed to exothermic 2.[endotherm + -ic]: warm-blooded, homoiothermic • en·do·ther·mic·ally\“+\adverb • en·do·ther·mism\“+|thərˌmizəm\noun-s