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[kwod″rĭ-lat´er-al]
1. having four sides.
2. a four-sided figure.

(kwŏd″rĭ-lăt′ĕr-ăl) [″ + latus, side]
Having four sides.

having four sides.
References in periodicals archive ?
I then started to dig deeper to see what they really knew about quadrilaterals beyond simply identifying them.
Can they make other quadrilaterals that share the same criteria?
For example, in the unique topologically possible corona with triangle, two quadrilaterals and hexagon there is only one angle of triangle in every vertex, therefore all angles of all triangles in our tiling are equal to [pi]/3.
But the two quadrilaterals are not congruent because the angles do not match.
Note that the mesh may include quadrilaterals after refinement.
Then they measured the colored areas of both quadrilaterals.
A triangular grid, quadrilateral grid, tetrahedral grid, and hexahedral grid is a grid consisting entirely of triangles, quadrilaterals, tetrahedra and hexahedra, respectively.
He came up with what he called the propellor [sic] operation: Start with a polyhedron, then spread apart the faces and introduce quadrilaterals so that each face is surrounded by a ring of these forms.
This investigation is designed for students in grades 4-6, but students in grades 2-3 could explore the midpoint shapes of familiar quadrilaterals, such as squares and rectangles.
7) quadrilateral which is one of the elements implemented in Femoxi.
Following these initial activities, teachers were requested to generate a list of quadrilaterals and then to construct a representation of a hierarchy relating the quadrilaterals to one another.
e,h] is the set of the two triangles or quadrilaterals in Th sharing the common edge e [member of] [E.

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