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

  • adjective Chemistry Characterized by or causing the absorption of heat; endoergic.
  • adjective Biology Of or relating to an organism that generates heat to maintain its body temperature, typically above the temperature of its surroundings; warm-blooded.

from The Century Dictionary.

  • Relating to absorption of heat.

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

  • adjective (Chem.) Designating, or pert. to, a reaction which occurs with absorption of heat; formed by such a reaction; ; -- opposed to exothermic.

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

  • adjective chemistry Of a chemical reaction that absorbs heat energy from its surroundings.
  • adjective zoology Of an animal whose body temperature is regulated by internal factors.

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

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


from Wiktionary, Creative Commons Attribution/Share-Alike License

From endo- (“inside”) +‎ thermic (“of heat”).



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