[ soo-duh-mawrf ]
/ ˈsu dəˌmɔrf /
an irregular or unclassifiable form.
a mineral having the outward appearance of another mineral that it has replaced by chemical action.
Related formspseu·do·mor·phic, pseu·do·mor·phous, adjectivepseu·do·mor·phism, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for pseudomorphism
/ (ˈsjuːdəʊˌmɔːf) /
a mineral that has an uncharacteristic crystalline form as a result of assuming the shape of another mineral that it has replaced
Derived Formspseudomorphic or pseudomorphous, adjectivepseudomorphism, noun
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 pseudomorphism
Online Etymology Dictionary, © 2010 Douglas Harper