Tetragon
noun
1.
a polygon having four angles or sides; a quadrangle or quadrilateral.
noun
1.
a less common name for quadrilateral (sense 2)
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- Tetragonal
adjective 1. pertaining to or having the form of a tetragon. 2. Crystallography. noting or pertaining to a system of crystallization in which all three axes are at right angles to one another, two being equal in length and the third being of a different length. adjective 1. (crystallog) Also dimetric. relating or belonging to […]
- Tetragonal-trisoctahedron
noun 1. Geometry. a trisoctahedron the faces of which are quadrilaterals; trapezohedron.
- Tetragram
noun 1. a word of four letters. noun 1. any word of four letters
- Tetragrammaton
[te-truh-gram-uh-ton] /ˌtɛ trəˈgræm əˌtɒn/ noun 1. the Hebrew word for God, consisting of the four letters yod, he, vav, and he, transliterated consonantally usually as YHVH, now pronounced as Adonai or Elohim in substitution for the original pronunciation forbidden since the 2nd or 3rd century b.c. Tetragrammaton /ˌtɛtrəˈɡræmətən/ noun 1. (Bible) the Hebrew name for […]
- Tetrahedra
noun, plural tetrahedrons, tetrahedra [te-truh-hee-druh] /ˌtɛ trəˈhi drə/ (Show IPA) 1. Geometry. a solid contained by four plane faces; a triangular pyramid. 2. any of various objects resembling a tetrahedron in the distribution of its faces or apexes. noun (pl) -drons, -dra (-drə) 1. a solid figure having four plane faces. A regular tetrahedron has […]