Definition of Pentahedron

1. Noun. Any polyhedron having five plane faces.

Generic synonyms: Polyhedron



Definition of Pentahedron

1. n. A solid figure having five sides.

Definition of Pentahedron

1. Noun. A solid geometric figure with five faces. ¹

¹ Source: wiktionary.com

Definition of Pentahedron

1. [n -DRA or -DRONS]

Pentahedron Pictures

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Lexicographical Neighbors of Pentahedron

pentagrams
pentagraph
pentagraphic
pentagraphical
pentagraphs
pentagrid
pentagrid converter
pentagrids
pentagynia
pentagynous
pentahalide
pentahalides
pentahedra
pentahedral
pentahedrical
pentahedron (current term)
pentahedrons
pentahelicene
pentahelicenes
pentahydrate
pentahydrated
pentahydrates
pentahydrite
pentahydroborite
pentahydroxide
pentahydroxides
pentail
pentails
pentaiodide
pentaiodides

Literary usage of Pentahedron

Below you will find example usage of this term as found in modern and/or classical literature:

1. Mathematical Questions and Solutions, from "The Educational Times", with edited by Constance I Marks (1891)
"... the invariant whose vanishing is the condition that the threa quadrics should have a common self-conjugate pentahedron. Solution by the PROPOSER. ..."

2. Mathematical Questions and Solutions by W. J. C. Miller (1891)
"... invariants of three quadrics, the invariant whose vanishing is the condition that the three quadrics should have a common self-conjugate pentahedron. ..."

3. The Cambridge and Dublin Mathematical Journal by William Whewell, Duncan Farquharson Gregory, Robert Leslie Ellis, William Thomson Kelvin, Norman Macleod Ferrers (1852)
"The equations to the tangent planes touching (13) at the angles of the pentahedron, will be found to be mV+nU+T+S=0, mV+nU+TS=0 lV+nT+U+S=0, lV+nT+US=0 . ..."

4. The Cambridge and Dublin Mathematical Journal (1852)
"The equations to the tangent planes touching (13) at the angles of the pentahedron, will be found to be mV+nU+T+S= 0, mV+nU+TS=Q IV+nT+U+S^O, lV+nT+US=0 . ..."

5. An Introduction to Solid Geometry and to the Study of Crystallography by Nathaniel John Larkin (1820)
"What has been said of the pentahedron is sufficient to prove, that it possesses a similar relation to the dodecahedron, the icosa- hedron, ..."

6. Lectures on the Ikosahedron and the Solution of Equations of the Fifth Degree by Felix Klein (1888)
"The consideration of covariant points, related to the original pentahedron, tells us, of course, nothing new, but leads back to the ..."

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