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tetragonal

American  
[te-trag-uh-nl] / tɛˈtræg ə nl /

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.


tetragonal British  
/ tɛˈtræɡənəl /

adjective

  1. Also: dimetriccrystallog relating or belonging to the crystal system characterized by three mutually perpendicular axes of which only two are equal

  2. of, relating to, or shaped like a quadrilateral

"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

tetragonal Scientific  
/ tĕ-trăgə-nəl /
  1. 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.

  2. See illustration at crystal


Other Word Forms

  • tetragonally adverb
  • tetragonalness noun

Etymology

Origin of tetragonal

First recorded in 1565–75; tetragon + -al 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They found that the orthorhombic phase had a polarization of 0.33 C m−2, while the two tetragonal phases showed polarizations of 0.4 and 0.6 C m−2, respectively.

From Science Daily • Apr. 25, 2024

Bill very long, straight, thick, the base broader than high; the sides tetragonal; upper mandible very straight, the base rounded; under mandible beneath carinated and recurved, the margins covered by those of the upper.

From Zoological Illustrations, Volume I or Original Figures and Descriptions of New, Rare, or Interesting Animals by Swainson, William

The two latter are tetragonal in crystallization, whilst brookite is orthorhombic.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various

Adj. four; quaternary, quaternal†; quadratic; quartile; tetract†, tetractic†, tetractinal†; tetrad, tetragonal; square, quadrate.

From Roget's Thesaurus of English Words and Phrases by Roget, Peter Mark

Apophyllite always occurs as distinct crystals, which belong to the tetragonal system.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various