trihedral


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Related to trihedral: trihedron, trihedral angle

tri·he·dral

(trī-hē′drəl)
adj.
Having or formed by three planes meeting at a point.
n.
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.

trihedral

(traɪˈhiːdrəl)
adj
(Mathematics) having or formed by three plane faces meeting at a point
n
(Mathematics) a figure formed by the intersection of three lines in different planes
[C18: from tri- + Greek hedra base, seat + -al1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tri•he•dral

(traɪˈhi drəl)

adj.
1. having, or formed by, three planes meeting in a point: a trihedral angle.
n.
2. the figure determined by three planes meeting in a point.
[1780–90]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
At her side, a whining dog lies on the ground, as well as a crystal cast (a huge stone polyhedron) and a pot (in which a fire is burning and something is boiling in a trihedral vessel).
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They concluded that using polyhedral spillway crests increases discharge coefficients and that the biggest increase in discharge coefficients of morning glory spillways happens when spillway crests are trihedral and at the same depth of submergence, discharge coefficients of spillways with polyhedral crests are higher than those for spillways with circular crests.
The effect of number and angle of guide piers on hydraulic behavior of morning glory spillway with square inlet
When models were created, the 3 parts (acromion, clavicle, and plate) were prepared with trihedral elements.
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In the experiment, we use a 30 cm trihedral as the target.
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This feature, named Radar Cross Section (RCS), means mainly the reduction of the projected area combined to the suppression of the dihedral and trihedral effects.
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Q = Directivity factor which is equals 2, 4, or 8 depending on whether the opening is at the center of the wall, a bihedral corner, or a trihedral corner respectively
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A 1 m trihedral corner reflector is located 1.8 km away from the swath centre, and the imaging results after the sub-aperture MoCo and the improved MoCo are used to evaluate the MoCo performance.
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