Definition of numerator noun from the Oxford Advanced Learner's Dictionary

 

numerator

 noun
noun
BrE BrE//ˈnjuːməreɪtə(r)//
 
; NAmE NAmE//ˈnuːməreɪtər//
 
(mathematics) Mathematical terminology
 
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the number above the line in a fraction, for example 3 in the fraction ¾ compare denominator See related entries: Mathematical terminology
See the Oxford Advanced American Dictionary entry: numerator