hypotenuse: [16] The hypotenuse is etymologically a line that is ‘stretched under’ the right angle of a triangle. The word comes via Latin hypotēnūsa from Greek hupoteínousa, a derivative of hupoteínein. This was a compound verb formed from the prefix hupo- ‘under’ and teínein ‘stretch’ (a relative of English tend, tense, etc). => tend, tense
hypotenuse (n.)
1570s, from Late Latin hypotenusa, from Greek hypoteinousa "stretching under" (the right angle), fem. present participle of hypoteinein, from hypo- "under" (see sub-) + teinein "to stretch" (see tenet). Formerly often erroneously hypothenuse.
中文解释
1. hypo- + ten- + -us(拉丁语后缀) + -e(由拉丁语或者希腊语的阴性后缀变体、变化而来：-a => -e).2. Latin hypotenusa => hypotenuse. 因此该词是由阴性词变化而来。3. 字面含义："stretching under" (the right angle).4. Formerly often erroneously hypothenuse.
实用例句
1. The hypotenuse is the longest side of a right triangle.
直角三角形的斜边是直角三角形中最长的边.
来自《简明英汉词典》
2. Compute the lengths of the hypotenuse and the other small side.
计算斜边和其它小的边的长度. )
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3. Either side of a right triangle that is hypotenuse.
直角边直角三角形除斜边之外的两条边的任意一条.
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4. The hypotenuse of a right triangle is always the longest side.
直角三角形的斜边总是最长的.
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5. Either side of a right triangle that is not the hypotenuse.