EXOTHERMALLY
Scrabble letter values: E1X8O1T1H4E1R1M3A1L1L1Y4 = 27
Definition
EXOTHERMALLY is the adverb form of EXOTHERMAL.
adjective EXOTHERMAL: (of a chemical reaction or compound) occurring or formed with the liberation of heat.
Synonyms of EXOTHERMAL: exothermic, heat-releasing