non-coplanarquadrilateral
nounUK /nɒnˌkəʊpleɪnəˈkwɒdrɪlætərəl/
US /nɑːnˌkoʊpleɪnərˈkwɑːdrɪlætərəl/
A four-sided shape whose corners do not all sit on the same flat surface.
The kite frame bent into a non-coplanarquadrilateral when one corner was lifted off the table.
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RELATED WORDS
OTHER MEANINGS
2. A quadrilateral used in 3D modeling whose vertices lie in different planes.
The designer adjusted the non-coplanarquadrilateral to smooth the curved surface.
3. A four-point linkage in mechanics that does not lie in a single plane.
The robot arm used a non-coplanarquadrilateral to reach around obstacles.
4. A four-sided figure studied in advanced geometry where flatness cannot be assumed.
Students learned that a non-coplanarquadrilateral has no single interior angle sum.