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Meaning of TETRAHEDRON

Pronunciation:  `tetru'heedrun

 
WordNet Dictionary
 
 Definition: 
[n]  any polyhedron having four plane faces
 

TETRAHEDRON is a 11 letter word that starts with T.

 

 See Also: polyhedron

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Tet`ra*he"dron\, n. [Tetra- + Gr. ? seat, base, fr.
? to sit.] (Geom.)
A solid figure inclosed or bounded by four triangles.

Note: In crystallography, the regular tetrahedron is regarded
      as the hemihedral form of the regular octahedron.

{Regular tetrahedron} (Geom.), a solid bounded by four equal
   equilateral triangles; one of the five regular solids.

 
Biology Dictionary
 
 Definition: Bank protection element, basically composed of six steel or concrete struts joined like the edges of a triangular pyramid, together with subdividing struts and tie wires or cables.
 

 

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