( ( ( The ( scientific term ) ) ( for ( a ( solar cell ) ) ) ) ( ( is ( ( ( ( ( photovoltaics , ) ( ( ( meaning ( ( ( ( ( the use ) ( of ( the photon ) ) ) , ) or ) ( ( the ( sun 's ) ) energy ) ) ) , ) ( to ( create ( a voltage ) ) ) ) ) , ) or ) electricity ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ scientific) (NN term)) (PP (IN for) (NP (DT a) (JJ solar) (NN cell)))) (VP (VBZ is) (NP (NP (NNS photovoltaics)) (, ,) (VP (VBG meaning) (NP (NP (NP (DT the) (NN use)) (PP (IN of) (NP (DT the) (NN photon)))) (, ,) (CC or) (NP (NP (DT the) (NN sun) (POS 's)) (NN energy))) (, ,) (S (VP (TO to) (VP (VB create) (NP (DT a) (NN voltage)))))) (, ,) (CC or) (NP (NN electricity)))) (. .)))
The scientific term for a solar cell is photovoltaics, meaning the use of the photon, or the sun's energy, to create a voltage, or electricity.
(ROOT (S (NP (NNP Voltage)) (VP (VP (VBZ is) (RB not) (NP (NP (DT the) (JJ same)) (PP (IN as) (NP (NN energy))))) (, ,) (CC but) (VP (VBZ means) (NP (NP (DT the) (NN energy)) (PP (IN per) (NP (NN unit) (NN charge)))))) (. .)))