The process of forming into a crust or becoming hardened on the surface; the development or formation of a crusty layer.
From crustific (causing crust formation) plus the suffix -ation (indicating a process). It describes the action and result of crust development.
Crustification is what happens to wounds when they heal—a scab is the body's crustification process, where blood and other fluids dry and harden to protect the injury while new skin cells grow underneath.
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