( Cavitation ( ( is ( ( the ( rapid formation ) ) ( of ( ( vaporous microbubbles ) ( in ( ( the ( fluid ( ( ( due ( to ( ( a ( local drop ) ) ( of pressure ) ) ) ) ( below ( the vaporization ) ) ) pressure ) ) ) ( at ( a ( given temperature ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Cavitation)) (VP (VBZ is) (NP (NP (DT the) (JJ rapid) (NN formation)) (PP (IN of) (NP (NP (JJ vaporous) (NNS microbubbles)) (PP (IN in) (NP (NP (DT the) (JJ fluid) (ADJP (JJ due) (PP (TO to) (NP (NP (DT a) (JJ local) (NN drop)) (PP (IN of) (NP (NN pressure))))) (PP (IN below) (NP (DT the) (NN vaporization)))) (NN pressure)) (PP (IN at) (NP (DT a) (VBN given) (NN temperature))))))))) (. .)))
Cavitation is the rapid formation of vaporous microbubbles in the fluid due to a local drop of pressure below the vaporization pressure at a given temperature.
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (DT the) (NN formation)) (PP (IN of) (NP (DT a) (NN water) (NN vapor) (NN pocket) (NN cavitation))))) (. .)))