( ( ( The ( entire range ) ) ( of ( ( frequencies ( ( and or ) wave ) ) ( length ( of ( electromagnetic waves ) ) ) ) ) ) ( ( is ( the ( electromagnetic spectrum ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ entire) (NN range)) (PP (IN of) (NP (NP (NN frequencies) (CC and) (CC or) (NN wave)) (NN length) (PP (IN of) (NP (JJ electromagnetic) (NNS waves)))))) (VP (VBZ is) (NP (DT the) (JJ electromagnetic) (NN spectrum))) (. .)))
The entire range of frequencies and or wave length of electromagnetic waves is the electromagnetic spectrum.
(ROOT (S (NP (DT The) (JJ electromagnetic) (NN spectrum)) (VP (VBZ represents) (NP (NP (DT the) (JJ full) (NN range)) (PP (IN of) (NP (NP (NN frequency)) (PP (IN of) (NP (JJ electromagnetic) (NNS waves))))))) (. .)))