( ( wavelength ( -LRB- ( ( g -RRB- ) ( ( The distance ) ( between ( ( two ( successive points ) ) ( on ( ( a ( periodic wave ) ) ( that ( have ( the ( same phase ) ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB wavelength) (S (-LRB- -LRB-) (NP (NN g)) (-RRB- -RRB-) (NP (NP (DT The) (NN distance)) (PP (IN between) (NP (NP (CD two) (JJ successive) (NNS points)) (PP (IN on) (NP (NP (DT a) (JJ periodic) (NN wave)) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (NP (DT the) (JJ same) (NN phase)))))))))))) (. .)))
wavelength (g) The distance between two successive points on a periodic wave that have the same phase.
(ROOT (S (NP (NNP Wavelength)) (VP (VBZ is) (NP (NP (DT the) (NN distance)) (PP (IN between) (NP (NP (CD two) (JJ corresponding) (NNS points)) (PP (IN of) (NP (NP (JJ adjacent) (NNS waves)) (VP (VBN called)))))))) (. .)))
Wavelength is the distance between two corresponding points of adjacent waves called.