Share this entry
Krebs cycle Syllabification: Krebs cy·cle
Pronunciation: /ˈkrebz ˌsīkəl/

Definition of Krebs cycle in English:


The sequence of reactions by which most living cells generate energy during the process of aerobic respiration. It takes place in the mitochondria, consuming oxygen, producing carbon dioxide and water as waste products, and converting ADP to energy-rich ATP.
Example sentences
  • For instance, Nelson at one point referred to a scientific paper on the evolution of the Krebs cycle.
  • The Krebs cycle is part of the energy pathway in all living cells.
  • Overall, the Krebs cycle provides energy and heat for the body's many processes, and the mitochondria are key to this process.


1940s: named after Sir Hans A. Krebs (1900–81), German-born British biochemist.

Definition of Krebs cycle in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources