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

 

hypotenuse

 noun
noun
BrE BrE//haɪˈpɒtənjuːz//
 
; NAmE NAmE//haɪˈpɑːtənuːs//
 
, NAmE//haɪˈpɑːtənjuːz//
 
(geometry) Mathematical terminology
 
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the side opposite the right angle of a right-angled triangle See related entries: Mathematical terminology Word Origin late 16th cent.: via Latin hypotenusa from Greek hupoteinousa (grammē) ‘subtending (line)’, from the verb hupoteinein (from hupo ‘under’ + teinein ‘stretch’).
See the Oxford Advanced American Dictionary entry: hypotenuse