American English

Definition of denominator noun from the Oxford Advanced American Dictionary

 

denominator

 noun
noun
NAmE//dɪˈnɑməˌneɪt̮ər//
 
(mathematics)
 
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the number below the line in a fraction showing how many parts the whole is divided into, for example 4 in ¾ compare numerator, common denominator
See the Oxford Advanced Learner's Dictionary entry: denominator