prismoid
pris·moid a prismatoid having polygons with equal numbers of sides as its bases and quadrilaterals as its lateral faces
Origin of prismoid
see prism and -oidprismoid
noun
A prismatoid having polygons with the same number of sides as bases, and faces that are parallelograms or trapezoids.
Origin of prismoid
prism -oidRelated Forms:
- pris·moi′dal
adjective
prismoid
Noun
(plural prismoids)
- (geometry) A prismatoid that has planar sides, and the same number of vertices in both of its parallel planes
- (geometry) An antiprism