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Definition of "isosceles" [i•sos•ce•les]

  • Mathematics Having two equal sides: an isosceles triangle. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "isosceles" in a sentence
  • "Two men compete for the favors of a bored girl who wishes the hell with both of them — a spare sexual isosceles which is nicely symbolized in clean, stripped images of sail, sky, and water which group and re-group in triangles and trapeziums of gray and white as the boatload of trouble skims trimly across the lake."
  • "For example, if one knows that the angles of all triangles are equal to two right angles, one knows in a sense-potentially-that the isosceles’ angles also are equal to two right angles, even if one does not know that the isosceles is a triangle; but to grasp this posterior proposition is by no means to know the commensurate universal either potentially or actually."
  • "The production is aided by Jon Gaw's unusually functional and evocative set that situates the characters in what amounts to the base of a isosceles triangle whose tip extends indefinitely into a far-off vanishing point, suggesting both a going-nowhere claustrophobia as well as the prospect of infinite hope."
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