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[trahy-klin-ik] /traɪˈklɪn ɪk/
adjective, Crystallography.
noting or pertaining to a system of crystallization in which the three axes are unequal and intersect at oblique angles.
Compare crystal system.
Origin of triclinic
1850-55; tri- + Greek klī́n(ein) to lean1, slope + -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for triclinic
Historical Examples
  • They are triclinic, with cleavages meeting at approximately 86 degrees.

    Geology William J. Miller
  • This is a soda Feldspar and is triclinic, but exhibits the color characteristic of moonstone.

  • All the sodium, sodium-calcium, and calcium species are triclinic, except the rare monoclinic sodium felspar barbierite.

  • In the triclinic system there are three unequal axes and these intersections are all oblique.

    The A B C of Mining Charles A. Bramble
British Dictionary definitions for triclinic


relating to or belonging to the crystal system characterized by three unequal axes, no pair of which are perpendicular Also anorthic
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
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triclinic in Science
Relating to a crystal having three axes of different lengths intersecting at oblique angles. The mineral microcline (a type of feldspar) has triclinic crystals. See illustration at crystal.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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