from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Requiring energy: an endergonic chemical reaction.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Describing a reaction that absorbs (heat) energy from its environment
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. (biochemistry) of a process accompanied by or requiring the absorption of energy; the products of the process are of greater free energy than the reactants
end(o)- + Greek ergon, work; see werg- in Indo-European roots + -ic.(American Heritage® Dictionary of the English Language, Fourth Edition)