monotheism
From Longman Dictionary of Contemporary EnglishRelated topics: Religionmonotheismmon‧o‧the‧is‧m /ˈmɒnəʊθiːɪzəm $ ˈmɑːnə-/ noun [uncountable] RRthe belief that there is only one God → polytheism —monotheist noun [countable] —monotheistic /ˌmɒnəʊθiˈɪstɪk◂ $ ˌmɑːnə-/ adjective monotheistic religionsExamples from the Corpusmonotheism• But for much else in polytheism and monotheism it is of more limited value.• The compulsive drive towards a mystical mode of religion is particularly interesting in the three faiths of historical monotheism.