Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Releasing heat.

from The Century Dictionary.

  • Relating to a liberation of heat.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Chem.) Characterized by, or formed with, evolution of heat; ; -- opposed to endothermic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective chemistry, of a reaction That releases energy in the form of heat.
  • adjective chemistry, of a compound That releases heat during its formation, and absorbs it during its decomposition
  • adjective zoology Of an animal whose body temperature is regulated by external factors; cold-blooded

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective (of a chemical reaction or compound) occurring or formed with the liberation of heat

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From exo- "outside" + thermic "of heat"

Examples

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