trigonal
[ trig-uh-nl ]
/ ˈtrɪg ə nl /
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adjective
of, relating to, or shaped like a triangle; having three angles; triangular.
Crystallography. having threefold symmetry.
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OTHER WORDS FROM trigonal
trig·o·nal·ly, adverbsub·trig·o·nal, adjectiveWords nearby trigonal
trigger zone, triglyceride, triglyph, trigo, trigon, trigonal, trigonal trisoctahedron, trigone, trigone of bladder, trigonid, trigonitis
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for trigonal
British Dictionary definitions for trigonal
trigonal
/ (ˈtrɪɡənəl) /
adjective
another word for triangular (def. 1)
Also: rhombohedral relating or belonging to the crystal system characterized by three equal axes that are equally inclined and not perpendicular to each other
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 trigonal
trigonal
[ trī-gō′nəl ]
Relating to a crystal having three axes of equal length intersecting at oblique angles. This crystal system is considered a subset of the hexagonal system. The mineral quartz has trigonal crystals. Also called rhombohedral See illustration at crystal.
The American Heritage® Science Dictionary
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