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ChiliahedronChiliahedron Chil"i*a*hedron, n. [Gr. ? a thousand + ? base,
fr. ? to sit.]
A figure bounded by a thousand plane surfaces [Spelt also
chilia["e]dron.] Cubo-octahedron
Cubo-octahedron Cu`bo-oc`ta*he"dron (-dr?n), n. (Crystallog.)
A combination of a cube and octahedron, esp. one in which the
octahedral faces meet at the middle of the cubic edges.
DihedronDihedron Di*he"dron, n. [See Dihedral.]
A figure with two sides or surfaces. --Buchanan. DuodecahedronDuodecahedral Du`o*dec`a*he"dral, a., Duodecahedron
Du`o*dec`a*he"dron, n.
See Dodecahedral, and Dodecahedron. Enheahedron
Enheahedria En`he*a*he"dri*a, Enheahedron En`he*a*he"dron,
n. (Geom.)
A figure having nine sides; a nonagon.
Hemihedron
Hemihedron Hem`i*he"dron, n. (Crystallog.)
A solid hemihedrally derived. The tetrahedron is a
hemihedron.
Heptahedron
Heptahedron Hep`ta*he"dron, n. [Hepta- + Gr. ? seat, base, fr.
? to sit: cf. F. hepta[`e]dre.] (Geom.)
A solid figure with seven sides.
HexahedronHexahedron Hex`a*he"dron, n.; pl. E. Hexahedrons, L.
Hexahedra. [Hexa- + Gr. ? seat, base, fr. ? to sit: cf. F.
hexa[`e]dre.] (Geom.)
A solid body of six sides or faces.
Regular hexahedron, a hexagon having six equal squares for
its sides; a cube. HexahedronsHexahedron Hex`a*he"dron, n.; pl. E. Hexahedrons, L.
Hexahedra. [Hexa- + Gr. ? seat, base, fr. ? to sit: cf. F.
hexa[`e]dre.] (Geom.)
A solid body of six sides or faces.
Regular hexahedron, a hexagon having six equal squares for
its sides; a cube. Hexoctahedron
Hexoctahedron Hex*oc`ta*he"dron, n. [Hex- + octahedron.]
(Geom.)
A solid having forty-eight equal triangular faces.
IcosahedronIcosahedron I`co*sa*he"dron, n. [Gr. ?; ? twenty + ? seat,
base, fr. ? to sit.] (Geom.)
A solid bounded by twenty sides or faces.
Regular icosahedron, one of the five regular polyhedrons,
bounded by twenty equilateral triangules. Five triangles
meet to form each solid angle of the polyhedron. icositetrahedronTrisoctahedron Tris*oc`ta*he"dron, n. [Gr. ? thrice + FE.
octahedron.] (Crystallog.)
A solid of the isometric system bounded by twenty-four equal
faces, three corresponding to each face of an octahedron.
Tetragonal trisoctahedron, a trisoctahedron each face of
which is a quadrilateral; called also trapezohedron and
icositetrahedron.
Trigonal trisoctahedron, a trisoctahedron each face of
which is an isosceles triangle. Icositetrahedron
Icositetrahedron I`co*si*tet`ra*he"dron, n. [Gr. ? twenty + ?,
combining form of ? four + ? seat, base.] (Crystallog.)
A twenty-four-sided solid; a tetragonal trisoctahedron or
trapezohedron.
Octahedron
Octahedron Oc`ta*he"dron, n. [Gr.?, fr. ? eight-side; ? (for ?
eight) + ? seat, base, from ? to sit.] (Geom.)
A solid bounded by eight faces. The regular octahedron is
contained by eight equal equilateral triangles.
Pentahedron
Pentahedron Pen`ta*he"dron, n. [Penta- + Gr. "e`dra seat,
base.]
A solid figure having five sides.
PolyhedronPolyhedron Pol`y*he"dron, n.; pl. E. Polyhedrons., L.
Polyhedra. [NL., fr. Gr. ? with many seats or sides; poly`s
many + ? a seat or side: cf. F. poly[`e]dre.]
1. (Geom.) A body or solid contained by many sides or planes.
2. (Opt.) A polyscope, or multiplying glass. PolyhedronsPolyhedron Pol`y*he"dron, n.; pl. E. Polyhedrons., L.
Polyhedra. [NL., fr. Gr. ? with many seats or sides; poly`s
many + ? a seat or side: cf. F. poly[`e]dre.]
1. (Geom.) A body or solid contained by many sides or planes.
2. (Opt.) A polyscope, or multiplying glass. Pyritohedron
Pyritohedron Pyr`i*to*he"dron, n. [Pyrite + Gr. ? base.]
(Crystallog.)
The pentagonal dodecahedron, a common form of pyrite.
Regular hexahedronHexahedron Hex`a*he"dron, n.; pl. E. Hexahedrons, L.
Hexahedra. [Hexa- + Gr. ? seat, base, fr. ? to sit: cf. F.
hexa[`e]dre.] (Geom.)
A solid body of six sides or faces.
Regular hexahedron, a hexagon having six equal squares for
its sides; a cube. Regular icosahedronIcosahedron I`co*sa*he"dron, n. [Gr. ?; ? twenty + ? seat,
base, fr. ? to sit.] (Geom.)
A solid bounded by twenty sides or faces.
Regular icosahedron, one of the five regular polyhedrons,
bounded by twenty equilateral triangules. Five triangles
meet to form each solid angle of the polyhedron. Regular tetrahedronTetrahedron Tet`ra*he"dron, n. [Tetra- + Gr. ? seat, base, fr.
? to sit.] (Geom.)
A solid figure inclosed or bounded by four triangles.
Note: In crystallography, the regular tetrahedron is regarded
as the hemihedral form of the regular octahedron.
Regular tetrahedron (Geom.), a solid bounded by four equal
equilateral triangles; one of the five regular solids. Rhombohedron
Rhombohedron Rhom`bo*he"dron, n. [NL., fr. Gr. ??? rhomb + ???
seat, base.] (Geom. & Crystallog.)
A solid contained by six rhomboids; a parallelopiped.
Salient polyhedron 5. (Her.) Represented in a leaping position; as, a lion
salient.
Salient angle. See Salient, a., 4.
Salient polygon (Geom.), a polygon all of whose angles are
salient.
Salient polyhedron (Geom.), a polyhedron all of whose solid
angles are salient. Scalenohedron
Scalenohedron Sca*le`no*he"dron (-dr[o^]n), n. [Gr. skalhno`s
uneven + "e`dra seat, base.] (Crystallog.)
A pyramidal form under the rhombohedral system, inclosed by
twelve faces, each a scalene triangle.
Tetragonal trisoctahedronTrisoctahedron Tris*oc`ta*he"dron, n. [Gr. ? thrice + FE.
octahedron.] (Crystallog.)
A solid of the isometric system bounded by twenty-four equal
faces, three corresponding to each face of an octahedron.
Tetragonal trisoctahedron, a trisoctahedron each face of
which is a quadrilateral; called also trapezohedron and
icositetrahedron.
Trigonal trisoctahedron, a trisoctahedron each face of
which is an isosceles triangle. TetrahedronTetrahedron Tet`ra*he"dron, n. [Tetra- + Gr. ? seat, base, fr.
? to sit.] (Geom.)
A solid figure inclosed or bounded by four triangles.
Note: In crystallography, the regular tetrahedron is regarded
as the hemihedral form of the regular octahedron.
Regular tetrahedron (Geom.), a solid bounded by four equal
equilateral triangles; one of the five regular solids. Tetrahexahedron
Tetrahexahedron Tet`ra*hex`a*he"dron, n. [Tetra- +
hexahedron.] (Crystallog.)
A solid in the isometric system, bounded by twenty-four equal
triangular faces, four corresponding to each face of the
cube.
Tetrakishexahedron
Tetrakishexahedron Tet`ra*kis*hex`a*he"dron, n. [Gr. ? four
times + E. hexahedron.] (Crystallog.)
A tetrahexahedron.
TrapezohedronTrapezohedron Trap`e*zo*he"dron, n. [NL., from trapezium + Gr.
? seat, base, fr. ? to sit.] (Crystalloq.)
(a) A solid bounded by twenty-four equal and similar
trapeziums; a tetragonal trisoctahedron. See the Note
under Trisoctahedron.
(b) A tetartohedral solid of the hexagonal system, bounded by
six trapezoidal planes. The faces of this form are common
on quartz crystals.
Meaning of Hedron from wikipedia
- :
polyhedra or polyhedrons; from Gr**** πολύ (poly-) 'many' and ἕδρον (-
hedron) 'base, seat') is a three-dimensional
figure with flat
polygonal faces...
- The
Hedrons were an all-girl four-piece rock band,
formed in
early 2005 in
their native Glasgow. The band have
released three singles on the Glasgow-based...
-
Nathalie Kay "Tippi"
Hedren (born
January 19, 1930) is an
American retired actress.
Initially a
fashion model,
appearing on the
front covers of Life and...
- In geometry, a
dodecahedron (from
Ancient Gr**** δωδεκάεδρον (dōdekáedron); from δώδεκα (dṓdeka) 'twelve' and ἕδρα (hédra) 'base, seat, face') or duodecahedron...
-
Wikimedia Commons has
media related to Decahedra. In geometry, a
decahedron is a
polyhedron with ten faces.
There are 32300
topologically distinct decahedra...
- In geometry, an
octahedron (pl.:
octahedra or octahedrons) is a
polyhedron with
eight faces. One
special case is the
regular octahedron, a
Platonic solid...
- The
rhombic triacontahedron,
sometimes simply called the
triacontahedron as it is the most
common thirty-faced polyhedron, is a
convex polyhedron with...
- In geometry, the
rhombic dodecahedron is a
convex polyhedron with 12
congruent rhombic faces. It has 24 edges, and 14
vertices of 2 types. As a Catalan...
- In geometry, a
hexecontahedron (or hexacontahedron) is a
polyhedron with 60 faces.
There are many
symmetric forms, and the ones with
highest symmetry have...
- In geometry, an
icosahedron (/ˌaɪkɒsəˈhiːdrən, -kə-, -koʊ-/ or /aɪˌkɒsəˈhiːdrən/) is a
polyhedron with 20 faces. The name
comes from
Ancient Gr**** εἴκοσι...
