( Osmolality ( ( is ( ( a measure ) ( of ( ( the ratio ) ( of ( ( ( osmotically active ) ( solute content ) ) ( to ( water content ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Osmolality)) (VP (VBZ is) (NP (NP (DT a) (NN measure)) (PP (IN of) (NP (NP (DT the) (NN ratio)) (PP (IN of) (NP (NP (ADJP (RB osmotically) (JJ active)) (JJ solute) (NN content)) (PP (TO to) (NP (NN water) (NN content))))))))) (. .)))
Osmolality is a measure of the ratio of osmotically active solute content to water content.
(ROOT (S (NP (NNP Osmolality)) (VP (VBZ is) (NP (NP (DT the) (NN ratio)) (PP (IN of) (NP (NP (NNS solutes)) (PP (IN in) (NP (NP (DT a) (NN solution)) (PP (TO to) (NP (NP (DT a) (NN volume)) (PP (IN of) (ADJP (JJ solvent))))))))) (PP (IN in) (NP (DT a) (NN solution))))) (. .)))