Definition of pseudomorphism in US English:

pseudomorphism

noun

Crystallography
  • See pseudomorph

    • ‘Although this is not a particularly quantitative test, it does show that complete pseudomorphism (quartz sand after calcite) had not occurred for these two specimens.’
    • ‘The absence of euhedral crystals of phillipsite, even by SEM examination, suggests that the alteration may be a form of pseudomorphism.’

Pronunciation

pseudomorphism

/ˌso͞odōˈmôrˌfizəm/