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Noun
After the birds understood this game, the researchers started showing them sets of shapes that included squares, parallelograms, or irregular quadrilaterals.—Nell Greenfieldboyce, NPR, 12 Apr. 2025 Penrose tiles are a pair of simple quadrilaterals that, with a careful set of rules, tile the plane without allowing translational symmetry.—Quanta Magazine, 23 May 2023
Adjective
There’s a lot of comedy in the unwieldy quadrilateral chest panel of Alex’s dress.—Jackson McHenry, Vulture, 6 May 2025 Under the Hood Nvidia Edify uses something called ‘quad mesh’ models where 3D objects are made up of quadrilateral or four-sided polygons.—John Werner, Forbes, 26 Nov. 2024 See All Example Sentences for quadrilateral
Word History
Etymology
Noun
Latin quadrilaterus four-sided, from quadri- + later-, latus side
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