exothermal
1. [ adjective ] (of a chemical reaction or compound) occurring or formed with evolution of heat
Synonyms: heat-releasing exothermic
Related terms: endothermic exoergic
Similar spelling:   exothermic
  external
  extremely
  externally
  extreme
  externalize
  externality
  externalise
  extremum
  exoderm
  extortioner
  external_ear
  extremity
  extremist
  extremism
  external_gill
  exterior
  exterritorial
  exterminable