Definition of quadrilateral in English:

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quadrilateral

Pronunciation: /ˌkwädrəˈladərəl/
/ˌkwädrəˈlatrəl/

noun

A four-sided figure.
Example sentences
  • Cut an 8x8 chessboard into two triangles and two quadrilaterals.
  • The students were also not aware of relationships among quadrilaterals, such as whether all squares are rectangles or vice versa.
  • The terrain I generated had a total of over 570000 quadrilaterals.

adjective

Having four straight sides.
Example sentences
  • The bilobate living area has quadrilateral contours and is partly flanked by some horizontal logs and a vertical slab.
  • Techniques were developed that guaranteed all quadrilateral surfaces were planar.
  • It turns out there are many different pairs of quadrilateral shapes that form a nonperiodic tiling pattern.

Origin

Mid 17th century: from late Latin quadrilaterus (from Latin quadri- 'four' + latus, later- 'side') + -al.

Words that rhyme with quadrilateral

bilateral, collateral, equilateral, lateral, multilateral, trilateral, unilateral

For editors and proofreaders

Syllabification: quad·ri·lat·er·al

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