Pseu·do·morph n.
1. An irregular or deceptive form.
2. Crystallog. A pseudomorphous crystal, such as a crystal consisting of quartz, but having the cubic form of fluor spar, the fluor crystal having been changed to quartz by a process of substitution.
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Pseu·do·mor·phous a. Not having the true form.
Pseudomorphous crystal, a crystal which has a form that does not result from its own powers of crystallization.
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