Isosceles meaning

ī-sŏs'ə-lēz'
Having at least two equal sides.

An isosceles triangle.

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Designating a figure, esp. a triangle, with two equal sides.
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Of or relating to a geometric figure having at least two sides of equal length.
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(geometry) Having two sides of equal length, used especially of an isosceles triangle or isosceles trapezoid.
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Origin of isosceles

From Ancient Greek ἰσοσκελής (isoskelēs), from ἴσος (isos, “equal”) + σκέλος (skelos, “leg”); another word of the same root is scalene.

Sentence Examples

  • p. 157); (2) the angles at the base of an isosceles triangle are equal (Id.

  • 6, ABC is an isosceles triangle right D FIG.

  • Take any two arbitrary directions in the plane of the paper, and draw a small isosceles triangle abc, whose sides are perpendicular to the two directions, and consider the equilibrium of a small triangular prism of fluid, of which the triangle is the cross section.

  • If both places have the same latitude we have to deal with an isosceles triangle, of which two sides and the included angle are given.

  • Its form is approximately that of an isosceles triangle, with the sharp angle extending into Lower California, W.

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Words near isosceles in the Dictionary