Octahedral

Octahedral
Octahedral Oc`ta*he"dral, a. [See {Octahedron}.] Having eight faces or sides; of, pertaining to, or formed in, octahedrons; as, octahedral cleavage; an octahedral crystal. [1913 Webster]

{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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • octahedral — octahedron ► NOUN (pl. octahedra or octahedrons) ▪ a three dimensional shape having eight plane faces, in particular eight equal triangular faces. DERIVATIVES octahedral adjective …   English terms dictionary

  • Octahedral prism — Schlegel diagram Type Prismatic uniform polychoron Uniform index 51 Schläfli symbol {3,4}x{} t1{3,3}x{} s{2,3}x{} …   Wikipedia

  • 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; an octahedral crystal. [1913 Webster] {Octahedral borax} (Chem.), borax obtained from a saturated …   The Collaborative International Dictionary of English

  • 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; an octahedral crystal. [1913 Webster] {Octahedral borax} (Chem.), borax obtained from a saturated …   The Collaborative International Dictionary of English

  • Octahedral molecular geometry — Idealized structure of a compound with octahedral coordination geometry. In chemistry, octahedral molecular geometry describes the shape of compounds where in six atoms or groups of atoms or ligands are symmetrically arranged around a central… …   Wikipedia

  • Octahedral symmetry — The cube is the most common shape with octahedral symmetry A regular octahedron has 24 rotational (or orientation preserving) symmetries, and a symmetry order of 48 including transformations that combine a reflection and a rotation. A cube has… …   Wikipedia

  • Octahedral number — 146 magnetic balls, packed in the form of an octahedron In number theory, an octahedral number is a figurate number that represents the number of spheres in an octahedron formed from close packed spheres. The nth octahedral number On can be… …   Wikipedia

  • Octahedral cluster — Octahedral clusters are inorganic or organometallic cluster compounds composed of six metals in an octahedral array.[1] One important class of octahedral clusters are chalcohalide clusters of the type M …   Wikipedia

  • Octahedral cleavage — Cleavage Cleav age, n. 1. The act of cleaving or splitting. [1913 Webster] 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… …   The Collaborative International Dictionary of English

  • octahedral cleavage — noun : cleavage of minerals parallel to the octahedral faces …   Useful english dictionary

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