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hypotenuse n. 直角三角形之斜边 直角三角形之斜边 hypotenuse n 1: the side of a right triangle opposite the right angle Hypotenuse \Hy*pot"e*nuse\, Hypothenuse \Hy*poth"e*nuse\, n. [L. hypotenusa, Gr. ?, prob., subtending (sc. ?), fr. ? to stretch under, subtend; ? under ? to stretch. See {Subtend}.] (Geom.) The side of a right-angled triangle that is opposite to the right angle. [1913 Webster]
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