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Definition of square number noun from the Oxford Advanced Learner's Dictionary

square number

noun
 
/ˌskweə ˈnʌmbə(r)/
 
/ˌskwer ˈnʌmbər/
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  1. a number that is the result of multiplying any whole number by itself. For example, nine is a square number.Topics Maths and measurementc2
previously
adverb
 
 
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