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 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 — 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… …   The Collaborative International Dictionary of English

  • 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

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