Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Latin
Origin: hypotenusa, from Greek, from hypoteinein 'to stretch under'

hypotenuse

 noun
     
Related topics: Maths
hy‧pot‧e‧nuse [countable] technical
HM the longest side of a triangle that has a right angle
Definition from the Longman Dictionary of Contemporary English
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