noun
- plural of metamorphism; processes by which rocks are altered in composition, texture, or internal structure by pressure, heat, or the introduction of new chemical substances
Usage: geology
Examples
- The geologist studied various metamorphisms that occurred in the mountain range.
- Different types of metamorphisms can produce slate, marble, and quartzite.
- Regional metamorphisms affect large areas of the Earth’s crust.
- Contact metamorphisms occur when rocks are heated by nearby magma.
- The textbook explained how metamorphisms change the mineral composition of rocks.
- Students learned to identify rocks formed by different metamorphisms.