tetrahedron
tetrahedron is defined in Webster's Unabridged Dictionary (1913) with 1 sense, and appears in Roget's Thesaurus (1911) with 32 related terms. The full text of each entry is reproduced verbatim below.
Definitions
- 1.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.
Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
Synonyms
Related terms (Roget's 1911)
- animal
- area
- dimensional
- form
- four
- fundamental
- geographical
- object
- quad
- quadrangle
- quadrate
- quadratic
- quadrature
- quadrifoil
- quadrivium
- quadruplet
- quarter
- quartet
- quartile
- quaternary
- quaternion
- quaternity
- quatrefoil
- rectangle
- reduce
- square
- tetrad
- tetragon
- tetragonal
- tetrapod
- three
- with
Source: Roget's Thesaurus, 1911 edition (public domain, via Project Gutenberg eBook #10681).
Related questions
Sources
- Definitions: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
- Synonyms & antonyms: Roget's Thesaurus, 1911 edition (public domain, via Project Gutenberg eBook #10681).
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