The process of removing a hard outer crust or layer from something, like peeling away buildup or deposits.
From Latin de- (remove) + crusta (crust, shell). The suffix -ation indicates a process or action. This technical term developed in medicine and geology to describe the removal of crusty deposits.
Doctors use decrustation to describe removing buildup from wounds or arteries—it's the fancy way of saying 'scraping off the crust,' and it's been part of medical vocabulary since the 1600s when physicians got more precise about describing what they were actually doing.
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