n.
Pronunciation: h ī - ' pä-t ə - ˌ nüs, - ˌ nyüz
Variant: also hy · poth · e · nuse \ - ' pä-th ə - \
Function: noun
Etymology: Latin hypotenusa, from Greek hypoteinousa, from feminine of hypotein ō n, present participle of hypoteinein to subtend, from hypo- + teinein to stretch ― more at THIN
Date: 1594
1 : the side of a right-angled triangle that is opposite the right angle
2 : the length of a hypotenuse
ac hypotenuse