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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
tetrahedron noun (tetrahedra or tetrahedrons) geom a solid figure having four plane faces with three angles each. tetrahedral adj.
ETYMOLOGY: 16c: from Greek tetraedron.
tetrahedron noun (tetrahedra or tetrahedrons) geom a solid figure having four plane faces with three angles each. tetrahedral adj.
ETYMOLOGY: 16c: from Greek tetraedron.
tetrahedron noun (tetrahedra or tetrahedrons) geom a solid figure having four plane faces with three angles each. tetrahedral adj.
ETYMOLOGY: 16c: from Greek tetraedron.
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The Chambers Dictionary (13th edition)
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The Chambers Thesaurus
The Chambers Thesaurus (4th Edition) is a veritable treasure-trove, including the greatest selection of alternative words and phrases available in an A to Z format. -
Chambers Biographical Dictionary
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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
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