Dictionary.com

orthorhombic

[ awr-thuh-rom-bik ]
/ ˌɔr θəˈrɒm bɪk /
Save This Word!

adjective Crystallography.
noting or pertaining to a system of crystallization characterized by three unequal axes intersecting at right angles; rhombic; trimetric.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Compare crystal system.

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. 2023

How to use orthorhombic in a sentence

British Dictionary definitions for orthorhombic

orthorhombic
/ (ˌɔːθəʊˈrɒmbɪk) /

adjective
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

Scientific definitions for orthorhombic

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.
FEEDBACK