Definition of Hedra. Meaning of Hedra. Synonyms of Hedra

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Definition of Hedra

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Cathedralic
Cathedralic Cath`e*dral"ic, a. Cathedral. [R.]
Cathedrated
Cathedrated Cath`e*dra"ted, a. [From Cathedra.] Relating to the chair or office of a teacher. [Obs.]
Cubo-octahedral
Cubo-octahedral Cu`bo-oc`ta*he"dral (k?`b?-?k`t?-h?dral), a. Presenting a combination of a cube and an octahedron.
Decahedral
Decahedral Dec`a*he"dral, a. Having ten sides.
Dihedral
Dihedral Di*he"dral, a. 1. Of a kite or an a["e]roplane, having wings that make with one another a dihedral angle, esp. when the angle between the upper sides is less than 180[deg]. 2. (A["e]ronautics) Of wing pairs, inclined at an upward angle to each other.
Dihedral
Dihedral Di*he"dral, a. [Gr. di- = di`s- twice + ? a seat, bottom, base, fr. ? to sit. Cf. Diedral.] Having two plane faces; as, the dihedral summit of a crystal. Dihedral angle, the angular space contained between planes which intersect. It is measured by the angle made by any two lines at right angles to the two planes.
Dihedral angle
Dihedral Di*he"dral, a. [Gr. di- = di`s- twice + ? a seat, bottom, base, fr. ? to sit. Cf. Diedral.] Having two plane faces; as, the dihedral summit of a crystal. Dihedral angle, the angular space contained between planes which intersect. It is measured by the angle made by any two lines at right angles to the two planes.
Dodecahedral
Dodecahedral Do*dec`a*he"dral, a. Pertaining to, or like, a dodecahedion; consisting of twelve equal sides. Dodecahedral cleavage. See under Cleavage.
Dodecahedral cleavage
Dodecahedral Do*dec`a*he"dral, a. Pertaining to, or like, a dodecahedion; consisting of twelve equal sides. Dodecahedral cleavage. See under Cleavage.
Duodecahedral
Duodecahedral Du`o*dec`a*he"dral, a., Duodecahedron Du`o*dec`a*he"dron, n. See Dodecahedral, and Dodecahedron.
Enheahedral
Enheahedral En`he*a*he"dral, a. [Gr. ? nine + ? side.] (Geom.) Having nine sides.
Exhedra
Exhedra Ex"he*dra, n. [NL.] See Exedra.
Hemihedral
Hemihedral Hem`i*he"dral, a. [Hemi- + Gr. ? seat, base, fr. ? to sit.] (Crystallog.) Having half of the similar parts of a crystals, instead of all; consisting of half the planes which full symmetry would require, as when a cube has planes only on half of its eight solid angles, or one plane out of a pair on each of its edges; or as in the case of a tetrahedron, which is hemihedral to an octahedron, it being contained under four of the planes of an octahedron. -- Hem`i*he"dral*ly, adv.
Hemihedrally
Hemihedral Hem`i*he"dral, a. [Hemi- + Gr. ? seat, base, fr. ? to sit.] (Crystallog.) Having half of the similar parts of a crystals, instead of all; consisting of half the planes which full symmetry would require, as when a cube has planes only on half of its eight solid angles, or one plane out of a pair on each of its edges; or as in the case of a tetrahedron, which is hemihedral to an octahedron, it being contained under four of the planes of an octahedron. -- Hem`i*he"dral*ly, adv.
Hemiholohedral
Hemiholohedral Hem`i*hol`o*he"dral, a. [Hemi- + holohedral.] (Crystallog.) Presenting hemihedral forms, in which half the sectants have the full number of planes.
Hexahedra
Hexahedron 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.
Hexahedral
Hexahedral Hex`a*he"dral, a. In the form of a hexahedron; having six sides or faces.
Holohedral
Holohedral Hol`o*he"dral, a. [Holo + Gr.? seat, base, fr. ? to sit.] (Crystallog.) Having all the planes required by complete symmetry, -- in opposition to hemihedral.
Holohemihedral
Holohemihedral Hol`o*hem`i*he"dral, a. [Holo- + hemihedral.] (Crystallog.) Presenting hemihedral forms, in which all the sectants have halt the whole number of planes. --Dana.
Icosahedral
Icosahedral I`co*sa*he"dral, a. [See Icosahedron.] (Geom.) Having twenty equal sides or faces.
Octahedral
Octahedral Oc`ta*he"dral, a. [See Octahedron.] Having eight faces or sides; of, pertaining to, or formed in, octahedrons; as, octahedral cleavage. Octahedral borax (Chem.), borax obtained from a saturated solution in octahedral crystals, which contain five molecules of water of crystallization; distinguished from common or prismatic borax. Octahedral iron ore (Min.), magnetite.
Octahedral borax
Octahedral Oc`ta*he"dral, a. [See Octahedron.] Having eight faces or sides; of, pertaining to, or formed in, octahedrons; as, octahedral cleavage. Octahedral borax (Chem.), borax obtained from a saturated solution in octahedral crystals, which contain five molecules of water of crystallization; distinguished from common or prismatic borax. Octahedral iron ore (Min.), magnetite.
Octahedral Dodecahedral or Rhombohedral
Cleavage Cleav"age, n. 1. The act of cleaving or splitting. 2. (Crystallog.) The quality possessed by many crystallized substances of splitting readily in one or more definite directions, in which the cohesive attraction is a minimum, affording more or less smooth surfaces; the direction of the dividing plane; a fragment obtained by cleaving, as of a diamond. See Parting. 3. (Geol.) Division into lamin[ae], like slate, with the lamination not necessarily parallel to the plane of deposition; -- usually produced by pressure. Basal cleavage, cleavage parallel to the base of a crystal, or to the plane of the lateral axes. Cell cleavage (Biol.), multiplication of cells by fission. See Segmentation. Cubic cleavage, cleavage parallel to the faces of a cube. Diagonal cleavage, cleavage parallel to ta diagonal plane. Egg clavage. (Biol.) See Segmentation. Lateral cleavage, cleavage parallel to the lateral planes. Octahedral, Dodecahedral, or Rhombohedral, cleavage, cleavage parallel to the faces of an octahedron, dodecahedron, or rhombohedron. Prismatic cleavage, cleavage parallel to a vertical prism.
Octahedral iron ore
Octahedral Oc`ta*he"dral, a. [See Octahedron.] Having eight faces or sides; of, pertaining to, or formed in, octahedrons; as, octahedral cleavage. Octahedral borax (Chem.), borax obtained from a saturated solution in octahedral crystals, which contain five molecules of water of crystallization; distinguished from common or prismatic borax. Octahedral iron ore (Min.), magnetite.
Pentahedral
Pentahedral Pen`ta*he"dral, a. Having five sides; as, a pentahedral figure.
Plagihedral
Plagihedral Pla`gi*he"dral, a. [Gr. ? oblique + ? base, seat.] (Crystallog.) Having an oblique spiral arrangement of planes, as levogyrate and dextrogyrate crystals.
Polyhedra
Polyhedron 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.
Polyhedral
Polyhedral Pol`y*he"dral, Polyhedrical Pol`y*hed"ric*al, a. [See Polyhedron.] (Geom.) Having many sides, as a solid body. Polyhedral angle, an angle bounded by three or more plane angles having a common vertex.
Polyhedral angle
Polyhedral Pol`y*he"dral, Polyhedrical Pol`y*hed"ric*al, a. [See Polyhedron.] (Geom.) Having many sides, as a solid body. Polyhedral angle, an angle bounded by three or more plane angles having a common vertex.
Pyritohedral
Pyritohedral Pyr`i*to*he"dral, a. [See Pyritohedron.] (Crystallog.) Like pyrites in hemihedral form.

Meaning of Hedra from wikipedia

- In solid geometry, a face is a flat surface (a planar region) that forms part of the boundary of a solid object; a three-dimensional solid bounded exclusively...
- estranged Allison Jones (Fonda), who begins to rent an apartment room to Hedra Carlson (Leigh). After she reconciles with her ex-boyfriend, she begins...
- Hedras David Ramos Velasquez (born February 3, 1992) is a Guatemalan multi-instrumentalist, specializing in guitar. Hedras began his musical career at...
- the Royal Society Interface. 10 (87). doi:10.1098/rsif.2013.0392. PMC 3757999. PMID 23883948. USDA information about Hedra helix including fire effects...
- Gr**** δωδεκάεδρον (dōdekáedron); from δώδεκα (dṓdeka) 'twelve' and ἕδρα (hédra) 'base, seat, face') or duodecahedron is any polyhedron with twelve flat...
- faces. The name comes from Ancient Gr**** εἴκοσι (eíkosi) 'twenty' and ἕδρα (hédra) 'seat'. The plural can be either "icosahedra" (/-drə/) or "icosahedrons"...
- Retrieved 25 August 2011. "Minnesrummet - en plats för att minnas och hedra". Hopen, Sylvia (18 June 2000), "Javiera är ingen schlagerpudel", Göteborgs-Posten...
- Faulkner and features prominent Guatemalan guitar virtuoso Hedras Ramos, as well as his father, Hedras Ramos Sr., on b****. On his 90th birthday (27 May 2012)...
- snuh-e ... ¶   hidez haidiz ru**** ru****, fe(l)(A)h felh ekA eka hed¶erA hedra niuhAborumzniuhagestumz ¶ hAþuwolAfz gAf j ¶ hAriwolAfz (m)A--u snuh-e...
- Lepidoptera Family: Endromidae Genus: Andraca Species: A. olivacea Binomial name Andraca olivacea Matsumura, 1927 Synonyms Andraca hedra Chu & Wang, 1993...