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

adjective Crystallography.

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

Origin of orthorhombic

First recorded in 1865–70; ortho- + rhombic

OTHER WORDS FROM orthorhombic

pseu·do·or·tho·rhom·bic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for orthorhombic

British Dictionary definitions for orthorhombic

/ (ˌɔːθəʊˈrɒmbɪk) /


crystallog relating to the crystal system characterized by three mutually perpendicular unequal axesAlso: rhombic, trimetric
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

Science definitions for orthorhombic

[ ôr′thō-rŏmbĭk ]

Relating to a crystal having three axes of different lengths intersecting at right angles. The mineral topaz has orthorhombic crystals. See illustration at crystal.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.