- an irregular or unclassifiable form.
- a mineral having the outward appearance of another mineral that it has replaced by chemical action.
Origin of pseudomorph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pseudomorph
It is a pseudomorph after iolite, and consists mainly of hydrous aluminium silicate.The New Gresham Encyclopedia
- a mineral that has an uncharacteristic crystalline form as a result of assuming the shape of another mineral that it has replaced
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
Word Origin and History for pseudomorph
Online Etymology Dictionary, © 2010 Douglas Harper