Hypotenuse

//haɪˈpɑtənus// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The side of a right triangle opposite the right angle.
  2. 2
    the side of a right triangle opposite the right angle wordnet

Example

More examples

"The sum of the squares of the legs is equal to the square of the hypotenuse."

Etymology

From Latin hypotenusa, from Ancient Greek ὑποτείνουσα πλευρά (hupoteínousa pleurá, “side subtending [the right angle]”), from ὑποτείνουσα (hupoteínousa, “stretching, extending, subtending”), active participle of ὑποτείνω (hupoteínō, “subtend, stretch under”).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.