metamorphism

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noun meta·mor·phism \-ˈmȯr-ˌfi-zəm\

Definition of metamorphism

  1. :  a change in the constitution of rock; specifically :  a pronounced change effected by pressure, heat, and water that results in a more compact and more highly crystalline condition

Recent Examples of metamorphism from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'metamorphism'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of metamorphism

1845


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