[ te-trag-uh-nl ]
/ tɛˈtræg ə nl /


pertaining to or having the form of a tetragon.
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.

Origin of tetragonal

First recorded in 1565–75; tetragon + -al1


te·trag·o·nal·ly, adverbte·trag·o·nal·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for tetragonal

British Dictionary definitions for tetragonal

/ (tɛˈtræɡənəl) /


Also: dimetric crystallog relating or belonging to the crystal system characterized by three mutually perpendicular axes of which only two are equal
of, relating to, or shaped like a quadrilateral

Derived forms of tetragonal

tetragonally, adverbtetragonalness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for tetragonal

[ tĕ-trăgə-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 illustration at crystal.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.