( ( ( Voltage ( ( The amount ) ( of ( ( force or ) pressure ) ) ) ) ( ( pushing ( an ( electric current ) ) ) ( through ( a circuit ) ) ) ) . )
(ROOT (S (VP (VB Voltage) (NP (NP (DT The) (NN amount)) (PP (IN of) (NP (NN force) (CC or) (NN pressure)))) (S (VP (VBG pushing) (NP (DT an) (JJ electric) (NN current)) (PP (IN through) (NP (DT a) (NN circuit)))))) (. .)))
Voltage The amount of force or pressure pushing an electric current through a circuit.
(ROOT (S (NP (NN Pressure)) (VP (VBZ is) (VP (VBN defined) (PP (IN in) (NP (NN physics))) (PP (IN as) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NP (NN force)) (VP (VBG pushing) (PP (IN against) (NP (DT a) (VBN given) (NN area)))))))))) (. .)))