To cover or coat something with a hard outer layer or crust; to form a crusty surface on something.
From en- (causative prefix) + crust (from Latin crusta, hard shell). The prefix means to cause something to become covered with a crust.
Barnacles encrust ship hulls, salt encrysts rocks near oceans, and mineral-rich water encrysts pipes—these processes literally build new surfaces, one tiny particle layer at a time, transforming objects over years!
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