Definition of pseudomorphous in English:

pseudomorphous

adjective

Crystallography
  • See pseudomorph

    • ‘The outer zone of the alteration halo is most extensively developed in the semi-pelitic schists, and is manifested by the pseudomorphous replacement of biotite by chlorite, rutile and quartz, and feldspar by sericite.’
    • ‘Whenever this layer is found, collectors know to look carefully below it for highly silicified wood and nodules (either as agate fortifications or pseudomorphous replacement of barite concretions).’

Pronunciation

pseudomorphous

/ˌso͞odōˈmôrfəs/