tetragonal

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tet·ra·gon

 (tĕt′rə-gŏn′)
n.
A polygon with four sides and four angles; a quadrilateral.

[Late Latin tetragōnum, from Greek tetragōnon, square, from neuter of Greek tetragōnos, having four angles : tetra-, tetra- + -gōnos, angled; see -gon.]

te·trag′o·nal (tĕ-trăg′ə-nəl) adj.
te·trag′o·nal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tetragonal

(tɛˈtræɡənəl)
adj
1. (Chemistry) crystallog Also: dimetric relating or belonging to the crystal system characterized by three mutually perpendicular axes of which only two are equal
2. (Mathematics) of, relating to, or shaped like a quadrilateral
teˈtragonally adv
teˈtragonalness n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

te·trag·o·nal

(tĕ-trăg′ə-nəl)
Relating to a crystal having three axes, two of which are of the same length and are at right angles to each other. The third axis is perpendicular to these. The mineral zircon has tetragonal crystals. See more at crystal.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.tetragonal - of or relating to or shaped like a quadrilateral
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The structures of the matrix and column vector boundary condition in case of bulk orthorhombic, hexagonal, and tetragonal crystal system having second-order axis of symmetry and heterogeneity along the z-axis are given by
UR normally has a tetragonal crystal system but as a polymorph it has a hexagonal crystal system [13,14].
An endothermic peak is associated with a change from UR with a tetragonal crystal system to UR with a hexagonal crystal system at a lower temperature than the endothermic peak produced by UR alone.
The compound crystallizes in the tetragonal crystal system, space group 14/mmm (No.
The compound was found to crystallize in the tetragonal crystal system, space group 14/mmm (No.