chemiosmosis /ˌkɛmɪɒzˈməʊsɪs/ (also chemosmosis)

• 1. 

  N the mechanism by which the synthesis and utilization of the biochemical energy source ATP is regulated: the energy generated by oxidative phosphorylation generates a proton gradient across the membrane of the mitochondrion that drives the enzymic resynthesis of ATP 化学渗透 [biochem]