To separate into layers or to cause layers of material to split apart from each other.
From the prefix 'de-' plus 'laminate,' which comes from Latin 'lamina' meaning 'thin plate' or 'layer.' This technical term became common in manufacturing and materials science.
When your phone screen shatters or old plywood starts peeling apart, that's delamination—it's one of those engineering terms that describes something you've probably seen happen but never knew had a perfect word for it.
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