Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A prismatoid having polygons with the same number of sides as bases, and faces that are parallelograms or trapezoids.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A prismatoid that has planar sides, and the same number of vertices in both of its parallel planes
  • n. An antiprism

from the GNU version of the Collaborative International Dictionary of English

  • n. A body that approaches to the form of a prism.

from The Century Dictionary and Cyclopedia

  • n. A body that approaches to the form of a prism; a prismatoid.
  • n. A prismatoid whose base and top have the same number of sides, and every corresponding pair parallel. See prismatoid, 1.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms

Etymologies

prism + -oid.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

Wordnik is becoming a not-for-profit! Read our announcement here.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.