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octahedron
oc·ta·he·dron
/ ˌäktəˈhēdrən/
•
n.
(pl. -drons
or -dra
/ -drə/ )
a three-dimensional shape having eight plane faces, esp. a regular solid figure with eight equal triangular faces.
∎
a body, esp. a crystal, in the form of a regular octahedron.
DERIVATIVES:
oc·ta·he·dral
/ -drəl/ adj.
octahedron |
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Cite this article
"octahedron." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>. "octahedron." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O999-octahedron.html "octahedron." The Oxford Pocket Dictionary of Current English. 2009. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-octahedron.html |
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octahedron
octahedron A three-dimensional, eight-sided form in which all the faces are equilateral triangles (i.e. it resembles a double pyramid). In crystallography, a crystal form in which the crystal faces cut all three crystallographic axes at equal distances.
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Cite this article
AILSA ALLABY and MICHAEL ALLABY. "octahedron." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "octahedron." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O13-octahedron.html AILSA ALLABY and MICHAEL ALLABY. "octahedron." A Dictionary of Earth Sciences. 1999. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-octahedron.html |
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octahedron
octahedron see polyhedron . |
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Cite this article
"octahedron." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>. "octahedron." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1E1-X-octahedr.html "octahedron." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-octahedr.html |
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octahedron
octahedron •Aran, Arran, baron, barren, Darren, Karen, Sharon, yarran
•Biafran, saffron
•plastron • Saharan • Sumatran
•heron, perron
•rhododendron • chevron
•Aaron, Charon, Dáil Eireann
•apron
•matron, patron
•Libran
•decahedron, dodecahedron, octahedron, polyhedron, tetrahedron
•children • citron • grandchildren
•stepchildren • godchildren
•schoolchildren
•Byron, Chiron, environ, Myron, siren
•sporran, warren
•squadron • Cochran
•Andorran, Doran, Lauren, loran
•cauldron
•Kieran, Madeiran, schlieren
•Honduran, Van Buren
•Aldebaran • Auberon • Acheron
•Cameron, Decameron
•cateran, Lateran
•veteran
•dipteran, hemipteran
•lepidopteran • Lutheran
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Cite this article
"octahedron." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>. "octahedron." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O233-octahedron.html "octahedron." Oxford Dictionary of Rhymes. 2007. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-octahedron.html |
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