( ( ( The process ) ( of ( ( ( driving ( ( a ( redox reaction ) ) ( in ( the ( reverse direction ) ) ) ) ) ( by ( passage ( of ( an ( electric current ) ) ) ) ) ) ( through ( the ( reaction mixture ) ) ) ) ) ) . )
(ROOT (NP (NP (DT The) (NN process)) (PP (IN of) (S (VP (VBG driving) (NP (NP (DT a) (NN redox) (NN reaction)) (PP (IN in) (NP (DT the) (JJ reverse) (NN direction)))) (PP (IN by) (NP (NP (NN passage)) (PP (IN of) (NP (DT an) (JJ electric) (NN current))))) (PP (IN through) (NP (DT the) (NN reaction) (NN mixture)))))) (. .)))
The process of driving a redox reaction in the reverse direction by passage of an electric current through the reaction mixture.
(ROOT (S (NP (DT A) (JJ voltaic) (NN cell)) (VP (VBZ generates) (NP (DT an) (JJ electric) (NN current)) (PP (IN through) (NP (NP (DT a) (NN reaction)) (VP (VBN known) (PP (IN as) (NP (DT a) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (JJ spontaneous) (NN redox))))))) (. .)))