1. : a theory of ethics dealing with or based on the relation of duty to pleasure
2. : a branch of psychology that deals with pleasant and unpleasant states of consciousness and their relation to organic life
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/hee don"iks/, n. (used with a sing. v.)
the branch of psychology that deals with pleasurable and unpleasurable states of consciousness.
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hēdonˈics singular noun
That part of ethics or of psychology that deals with pleasure
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Main Entry: ↑hedonism
Useful english dictionary. 2012.