Prismoid

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A prismatoid that has planar sides, and the same number of vertices in both of its parallel planes.
  2. 2
    a prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms wordnet
  3. 3
    An antiprism.
Adjective
  1. 1
    Resembling a prism.

Etymology

From prism + -oid.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.