Definition of pleromorph in English:

pleromorph

noun

Mineralogy
rare
  • A type of pseudomorph produced by the deposition of a mineral substance so as to fill a cavity left in a rock by the removal of a crystal of another mineral substance.

Origin

Late 19th century; earliest use found in American Naturalist. From Hellenistic Greek πληρο- + -morph, after French † pléromorphose, itself after German Pleromorphose.

Pronunciation

pleromorph

/ˈplɪərəmɔːf/