Truncated pyramid
Truncated Trun"ca*ted, a. 1. Cut off; cut short; maimed. [1913 Webster]

2. (Min.) Replaced, or cut off, by a plane, especially when equally inclined to the adjoining faces; as, a truncated edge. [1913 Webster]

3. (Zo["o]l.) Lacking the apex; -- said of certain spiral shells in which the apex naturally drops off. [1913 Webster]

{Truncated cone} or {Truncated pyramid} (Geom.), a cone or pyramid whose vertex is cut off by a plane, the plane being usually parallel to the base. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • truncated pyramid — noun a frustum formed from a pyramid • Hypernyms: ↑frustum * * * noun see truncated cone * * * truncated cone or truncated pyramid, a cone or pyramid whose apex or vertex is cut off by a plane …   Useful english dictionary

  • truncated pyramid — pyramid that does not have the upper portion …   English contemporary dictionary

  • Truncated — Trun ca*ted, a. 1. Cut off; cut short; maimed. [1913 Webster] 2. (Min.) Replaced, or cut off, by a plane, especially when equally inclined to the adjoining faces; as, a truncated edge. [1913 Webster] 3. (Zo[ o]l.) Lacking the apex; said of… …   The Collaborative International Dictionary of English

  • Truncated cone — Truncated Trun ca*ted, a. 1. Cut off; cut short; maimed. [1913 Webster] 2. (Min.) Replaced, or cut off, by a plane, especially when equally inclined to the adjoining faces; as, a truncated edge. [1913 Webster] 3. (Zo[ o]l.) Lacking the apex; said …   The Collaborative International Dictionary of English

  • truncated cone — noun a frustum formed from a cone • Hypernyms: ↑frustum * * * noun or truncated pyramid : a cone section or pyramid lacking an apex and terminating in a plane usually parallel to the base * * * truncated cone or truncated pyramid …   Useful english dictionary

  • truncated — adjective 1. cut short in duration the abbreviated speech her shortened life was clearly the result of smoking an unsatisfactory truncated conversation • Syn: ↑abbreviated, ↑shortened • Similar to: ↑short …   Useful english dictionary

  • pyramid head — noun : a printed heading with matter so arranged that the lines form an inverted and truncated pyramid …   Useful english dictionary

  • Truncated octahedron — (Click here for rotating model) Type Archimedean solid Uniform polyhedron Elements F = 14, E = 36, V = 24 (χ = 2) Faces by sides 6 …   Wikipedia

  • Truncated octahedral prism — Schlegel diagram Type Prismatic uniform polychoron Uniform index 54 Schläfli symbol t0,1{3,4}×{} t0,1,2{3,3}×{} …   Wikipedia

  • truncated — [truŋ′kāt΄id, trun′kāt΄id] adj. 1. cut short or appearing as if cut short 2. a) cut off or replaced by a plane face: said of the angles or edges of a crystal or solid figure b) having its angles or edges cut off or replaced in this way: said of… …   English World dictionary

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