prismoid


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pris·moid

 (prĭz′moid′)
n.
A prismatoid having polygons with the same number of sides as bases, and faces that are parallelograms or trapezoids.

[prism + -oid.]

pris·moi′dal (-moid′l) adj.

prismoid

(ˈprɪzmɔɪd)
n
(Mathematics) a prismatoid having an equal number of vertices in each of the two parallel planes and whose sides are trapeziums or parallelograms
[C18: from French prismoïde; see prism, -oid]
prisˈmoidal adj

pris•moid

(ˈprɪz mɔɪd)

n.
a solid having sides that are trapezoids and bases or ends that are parallel and similar but not congruent polygons. Compare prism (def. 2).
[1695–1705]
pris•moi′dal, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.prismoid - a prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelogramsprismoid - a prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms
prismatoid - a polyhedron whose vertices all lie in one or the other of two parallel planes; the faces that lie in those planes are the bases of the prismatoid
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References in periodicals archive ?
The rough surface can be observed; it is because the accumulative deformation and the specimen surface appear protruding prismoid, where the red arrow marks areas.
And based on geological conditions, the sand subsidence area did not present a cone type but an irregular cone type (prismoid), as shown in Figure 4.
The concrete samples used for compressive strength tests were prismoid with dimensions: 100 mm x 100 mm x 200 mm (got through severing the prismoid specimen from middle).