Solidification (noun)

The action or process of becoming or making something solid.

Origin:

Late 16th century; earliest use found in francis bacon (1561–1626). from solidify + -ation.

Examples:

1. The solidification of the metal requires cooling it slowly.
2. The solidification of the molten lava created a new volcanic island.
3. The solidification of the wax turned it into a solid form.
4. The solidification of the mixture is an important step in the process of making ice cream.
5. The solidification of the polymer was achieved by adding a catalyst.