Trisoctahedron Definition
 trĭs-ŏktə-hēdrən 
  trisoctahedra, trisoctahedrons
  
    noun
  
 An isometric solid figure or crystal consisting of an octahedron that has each face divided into three faces.
 Webster's New World 
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
 Wiktionary 
Other Word Forms of Trisoctahedron
Noun
Singular:
 trisoctahedronPlural:
 trisoctahedra, trisoctahedronsOrigin of Trisoctahedron
-  
Greek tris thrice trei- in Indo-European roots octahedron
From American Heritage Dictionary of the English Language, 5th Edition
 -  
Ancient Greek thrice + English octahedron.
From Wiktionary
 
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