endergonic reaction
(end"er-gon\'ik)
A reaction that does not spontaneously go to completion as written; the standard free energy change is positive, and the equilibrium constant is less than one.

Microbiology. . 2009.

Look at other dictionaries:

  • Endergonic reaction — In chemical thermodynamics, an endergonic reaction (also called an unfavorable reaction or a nonspontaneous reaction) is a chemical reaction in which the standard change in free energy is positive, and energy is absorbed. In layman s terms the… …   Wikipedia

  • Endergonic — means absorbing energy in the form of work. Its etymology stems from the suffix ergonic as derived from the Greek root ergon meaning work, combined with the prefix end as derived from the Greek root en meaning put into . By thermodynamic… …   Wikipedia

  • endergonic — An endergonic reaction requires the input of energy …   Dictionary of molecular biology

  • endergonic — [en΄dər gän′ik] adj. of or having to do with a biochemical reaction requiring the absorption of energy, as photosynthesis or anabolism: opposed to EXERGONIC …   English World dictionary

  • endergonic — adjective Etymology: end + Greek ergon work more at work Date: 1940 endothermic 1 < an endergonic biochemical reaction > …   New Collegiate Dictionary

  • endergonic — Referring to a chemical reaction that takes place with absorption of energy from its surroundings ( i.e., a positive change in Gibbs free energy). Cf.:exergonic. [endo + G. ergon, work] * * * end·er·gon·ic .en .dər gän ik adj …   Medical dictionary

  • endergonic — /en deuhr gon ik/, adj. Biochem. (of a biochemical reaction) requiring energy. Cf. exergonic. [1935 40; END + Gk érgon work + IC] * * * …   Universalium

  • endergonic — adjective Describing a reaction that absorbs (heat) energy from its environment …   Wiktionary

  • endergonic — end•er•gon•ic [[t]ˌɛn dərˈgɒn ɪk[/t]] adj. biochem. (of a biochemical reaction) requiring energy Compare exergonic • Etymology: 1935–40 …   From formal English to slang

  • endergonic — /ɛndəˈgɒnɪk/ (say enduh gonik) adjective (of a chemical reaction) consuming energy or requiring energy to occur, as when the temperature of water being mixed with ammonium chloride drops. Compare exergonic. {end + Greek ergon work + ic} …   Australian English dictionary

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