pseudomorph — English Dictionary

Noun

1. A deceptive, irregular, or false form; specifically

2. A deceptive, irregular, or false form; specifically: A mineral that formed by replacement of an existing mineral (or organic matter) such that the new mineral has the appearance and dimensions of the original.

   Examples

   Petrified wood is a silicic pseudomorph of the original wood.

   More examples (1)

   The first kind of pseudomorphs, are pseudomorphs by alteration; the second, pseudomorphs by replacement; the third, pseudomorphs by infiltration; the fourth, pseudomorphs by incrustation.

Verb

1. To be transformed into such a form