Of or relating to a crystalline structure of three mutually perpendicular axes of different length. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "orthorhombic" in a sentence
"Today I learned that topaz is a mineral, the fluosilicate of aluminum, usually occurring in prismatic orthorhombic crystals of various colors."
"In fact, the RM 022's honeycomb orthorhombic titanium aluminide baseplate comes straight from NASA research into supersonic aircraft wings."
"Hmm all of these with the exception of Diamond can be found as a orthorhombic structure."