( ( ( ( ( The term ) `` ) ( ( percent or ) percentage ) ) '' ) ( ( ( means ( the percentage ) ) ( by weight ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN term)) (`` ``) (NP (NN percent) (CC or) (NN percentage)) ('' '')) (VP (VBZ means) (NP (DT the) (NN percentage)) (PP (IN by) (NP (NN weight)))) (. .)))
The term &quot;percent or percentage&quot; means the percentage by weight.
(ROOT (S (NP (DT The) (NN term) (NN percent) (NN composition)) (VP (VBZ means) (NP (DT the) (NN percentage)) (PP (IN by) (NP (NP (NN mass)) (PP (IN of) (NP (NP (DT each) (NN element)) (PP (IN in) (NP (DT a) (NN compound)))))))) (. .)))