# hypotenuse

noun hy·pot·e·nuse \ hī-ˈpä-tə-ˌnüs , -ˌnyüz \
variants: or less commonly hypothenuse \hī-ˈpä-thə-ˌnüs, -ˌnyüz\

## Definition of hypotenuse

1 :the side of a right-angled triangle that is opposite the right angle
2 :the length of a hypotenuse

## Recent Examples of hypotenuse from the Web

• This car only looks like a fastback from 270 degrees, thanks to the twin hypotenuse of roof pillars.
• This equation also represents a fundamental property of right triangles — that the square of the longest side, or hypotenuse, is the sum of the squares of the other two shorter sides.
• The length of one side of the slice is the hypotenuse of this triangle.
• The new 2,700-square-foot space feels like a geometric funhouse — quadrilaterals of wood overhead, an enveloping half-circle over the open kitchen, and the hypotenuse of the bar slanting through the lounge.

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hypotenuse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

## Origin and Etymology of hypotenuse

Latin hypotenusa, from Greek hypoteinousa, from feminine of hypoteinōn, present participle of hypoteinein to subtend, from hypo- + teinein to stretch — more at thin

noun

## Definition of hypotenuse for English Language Learners

• mathematics : the long side opposite the right angle of a triangle

## hypotenuse

noun hy·pot·e·nuse \ hī-ˈpä-tə-ˌnüs , -ˌnyüz \

## Definition of hypotenuse for Students

:the side of a right triangle that is opposite the right angle

1. Spanish Central: Translation of hypotenuse

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