( ( ( Diffusion ( ( The movement ) ( of ( molecules ( from ( ( a region ) ( of ( high concentration ) ) ) ) ) ) ) ) ( to ( ( ( a region ) ( of ( low concentration ) ) ) ( that ( is ( due ( to ( ( the ( random movement ) ) ( of ( the molecules ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Diffusion) (NP (NP (DT The) (NN movement)) (PP (IN of) (NP (NP (NNS molecules)) (PP (IN from) (NP (NP (DT a) (NN region)) (PP (IN of) (NP (JJ high) (NN concentration)))))))) (PP (TO to) (NP (NP (DT a) (NN region)) (PP (IN of) (NP (JJ low) (NN concentration))) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADJP (JJ due) (PP (TO to) (NP (NP (DT the) (JJ random) (NN movement)) (PP (IN of) (NP (DT the) (NNS molecules)))))))))))) (. .)))
Diffusion The movement of molecules from a region of high concentration to a region of low concentration that is due to the random movement of the molecules.
(ROOT (S (NP (NNP Diffusion)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT the) (NN movement)) (PP (IN of) (NP (NP (NNS molecules)) (PP (IN from) (NP (NP (DT an) (NN area)) (PP (IN of) (NP (NP (JJ high) (NN concentration)) (PP (TO to) (NP (NP (DT an) (NN area)) (PP (IN of) (NP (JJ low) (NN concentration))))))))))))))) (. .)))