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pseudomorph

[soo-duh-mawrf] /ˈsu dəˌmɔrf/
noun
1.
an irregular or unclassifiable form.
2.
a mineral having the outward appearance of another mineral that it has replaced by chemical action.
Origin of pseudomorph
1840-1850
1840-50; pseudo- + -morph
Related forms
pseudomorphic, pseudomorphous, adjective
pseudomorphism, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for pseudomorphism

pseudomorph

/ˈsjuːdəʊˌmɔːf/
noun
1.
a mineral that has an uncharacteristic crystalline form as a result of assuming the shape of another mineral that it has replaced
Derived Forms
pseudomorphic, pseudomorphous, adjective
pseudomorphism, 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
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Word Origin and History for pseudomorphism

pseudomorph

n.

"irregular form," 1838, earlier in German and French, from pseudo- + Greek morphe "form" (see Morpheus). Related: Pseudomorphic.

Online Etymology Dictionary, © 2010 Douglas Harper
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