1. Plural of exsolution; the process by which a solid solution separates into two or more distinct phases upon cooling or other changes in conditions, commonly observed in minerals and alloys.
Usage: technical; geology; materials science

Examples

• The exsolutions in the feldspar crystal were visible under the microscope as fine lamellae.
• Cooling rates affect the degree and pattern of exsolutions in metallic alloys.
• Geologists study exsolutions to understand the thermal history of igneous rocks.
• The exsolutions created a distinctive striped pattern in the mineral sample.