quality of solvent

in polymer chemistry
https://doi.org/10.1351/goldbook.Q04978
A qualitative characterization of the @P04746@. A solution of a polymer in a 'better' solvent is characterized by a higher value of the second @V06625@ than a solution of the same polymer in a 'poorer' solvent.
Source:
Purple Book, 1st ed., p. 57 [Terms] [Book]