Definition of metamorphism
: 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
Like many processes that occur at the Earth’s surface, the liberation of sediment from weathering rock is an intuitive process to visualize (compared to something like metamorphism).
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
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