( ( Coefficient ( of ( Thermal Expansion ) ) ) ( ( Change ( in ( ( unit length ) ( per ( ( degree change ) ( of temperature ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Coefficient)) (PP (IN of) (NP (JJ Thermal) (NN Expansion)))) (VP (VBZ Change) (PP (IN in) (NP (NP (NN unit) (NN length)) (PP (IN per) (NP (NP (NN degree) (NN change)) (PP (IN of) (NP (NN temperature)))))))) (. .)))
Coefficient of Thermal Expansion Change in unit length per degree change of temperature.
(ROOT (S (NP (DT The) (NN term) (JJ thermal) (NN expansion)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB describe) (NP (NP (DT the) (NN change)) (PP (IN in) (NP (NN size) (CC or) (NN volume))) (PP (IN of) (NP (NP (DT a) (VBN given) (NN mass)) (PP (IN with) (NP (NN temperature))))))))))) (. .)))