Chemiosmosis
/ˌkɛmɪɒzˈməʊsɪs/
noun
1.
(biochem) 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
2.
a chemical reaction between two compounds after osmosis through an intervening semipermeable membrane
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