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Related to octahedral: octahedral coordination


Having eight plane surfaces.

oc′ta·he′dral·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Mathematics) having eight plane surfaces
2. (Mathematics) shaped like an octahedron
ˌoctaˈhedrally adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon.
The crystal has an octahedral shape with small chips on the edges and tops.
The Molymod Shapes of Molecules Model is an educational aid designed for students with learning disabilities to teach them how to create eight models that feature examples of coordination numbers 1 to 6, including linear hydrogen chloride, linear beryllium chloride, bent water, trigonal planar, pyramidal ammonia, tetrahedral methane, trigonal bipyramidal and octahedral sulfur hexafluoride.
On the basis of electronic spectra and magnetic moment data, an octahedral geometry was proposed for all synthesized complexes (1-3).
The geometrical embroidery patterns consisted of straight lines and broken lines, zigzags, triangles, quadrangles, six - and octahedral rosettes, diamonds, stars and the symbolical image of the sun.
The 16-sided structure has an octahedral roof, with a smaller octahedral cupola having eight sides with clerestory windows between.
Nevertheless, reflectance also exists in the green region (485-570 nm) albeit in a lower amount, thereby indicating the coexistence of octahedral and tetrahedral sites in the pigment structure [1].
The FT-IR spectrum of uncontaminated black cotton soil shows band at 3628 [cm.sup.-1] in -OH stretching region is due to a hydroxyl group bonded with octahedral ([Al.sup.+]) cations (Vicente-Rodriguez et al.
Elements such as Ni, Zn, Cu, and Mn can be substituted at the tetrahedral site and octahedral site in the [Fe.sub.2][O.sub.4] ferrite [6].
It has been suggested that Co(III) complexes, with their octahedral geometries and low-spin [d.sup.6] configurations, may also represent an effective class of prodrugs for the treatment of cancer [2,3,20-23].