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Adjective: endothermic  `en-dow'thur-mik
  1. (of a chemical reaction or compound) occurring or formed with absorption of heat
    "Two temperature dips as a result of these endothermic reactions"
    - endothermal, heat-absorbing

See also: decalescent, endoergic, energy-absorbing

Antonym: exothermic

Encyclopedia: Endothermic