( ( Visible light ) ( ( is ( ( ( the wavelength ) ( of light ) ) ( that ( is ( detected ( by ( the ( human eye ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Visible) (NN light)) (VP (VBZ is) (NP (NP (DT the) (NN wavelength)) (PP (IN of) (NP (NN light))) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (VP (VBN detected) (PP (IN by) (NP (DT the) (JJ human) (NN eye))))))))) (. .)))
Visible light is the wavelength of light that is detected by the human eye.
(ROOT (S (NP (JJ Visible) (NN light)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT the) (NNS wavelengths)) (PP (IN of) (NP (JJ light) (NNS humans))))) (SBAR (S (VP (MD can) (VP (VB see))))))) (. .)))