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Webster 1913 Edition

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Noun.

[L.

hypotenusa

, Gr. [GREEK], prob., subtending (sc. [GREEK]), fr. [GREEK] to stretch under, subtend; [GREEK] under + [GREEK] to stretch. See

(Geom.)

The side of a right-angled triangle that is opposite to the right angle.

Noun.

Same as

hypothenuse ‎(plural hypothenuses)