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
The volume of ore appertaining to any given sample can be considered as a prismoid, the dimensions of which may be stated as follows: --
(_WL_) + (_W_1 _L_1) + (_W_2 _L_2), etc. The length of the prismoid base _L_ for any given sample will be
The body is prismoid in form, and curved, so as to be convex in the longitudinal direction behind, concave in front.
It is conveniently described in two portions, viz., a medial flattened part and a narrow lateral prismoid portion.
The body is strong, and of well-marked prismoid form.
The body is prismoid in form, tapers gradually from the tarsal to the phalangeal extremity, and is curved longitudinally, so as to be concave below, slightly convex above.
It is prismoid in form, expanded above, where it enters into the knee-joint, contracted in the lower third, and again enlarged but to a lesser extent below.
The body is prismoid in form, narrower above than below, and slightly curved, so as to be convex lateralward.