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orthorhombic

American  
[awr-thuh-rom-bik] / ˌɔr θəˈrɒm bɪk /

adjective

Crystallography.
  1. noting or pertaining to a system of crystallization characterized by three unequal axes intersecting at right angles; rhombic; trimetric.


orthorhombic British  
/ ˌɔːθəʊˈrɒmbɪk /

adjective

  1. Also: rhombic.   trimetriccrystallog relating to the crystal system characterized by three mutually perpendicular unequal axes

"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

orthorhombic Scientific  
/ ôr′thō-rŏmbĭk /
  1. Relating to a crystal having three axes of different lengths intersecting at right angles. The mineral topaz has orthorhombic crystals.

  2. See illustration at crystal


Other Word Forms

  • pseudoorthorhombic adjective

Etymology

Origin of orthorhombic

First recorded in 1865–70; ortho- + rhombic

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.

Under these high-pressure and high-temperature conditions, the rubidium niobate underwent a structural transformation from a complex triclinic phase at ambient pressure phase into a 26 % denser orthorhombic perovskite-type structure.

From Science Daily

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

Furthermore, through powder X-ray diffraction, researchers identified four distinct phase transitions occurring across temperatures ranging from -268°C to +800°C. Below room temperature, RbNbO3 exists in an orthorhombic phase, which is the most stable configuration.

From Science Daily

These compounds are produced through chemical etching techniques and have crystalline lattices with repeating orthorhombic and hexagonal structures.

From Science Daily

Sie et al.3 report a transition in WTe2 between two crystal structures: orthorhombic and monoclinic.

From Nature