reductionism
nounNAmE//rɪˈdʌkʃəˌnɪzəm//
[uncountable] (formal) (often disapproving)NAmE//rɪˈdʌkʃənɪst//
adjective, noun He was a reductionist who believed that everything could be explained in materialistic terms.See reductionism in the Oxford Advanced Learner's DictionaryCheck pronunciation: reductionism