/ ˌdɪsprəˈpɔːʃn; NAmE -ˈpɔːrʃn/ noun
[ U , C ] disproportion (between A and B) ( formal ) the state of two things not being at an equally high or low level; an example of this :
the disproportion between the extra responsibilities and the small salary increase
a profession with a high disproportion of male to female employees
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WORD ORIGIN
mid 16th cent.: from dis- (expressing absence) + proportion , on the pattern of French disproportion .