The act of embossing or a raised design created by embossing; an embossed pattern or relief.
From emboss plus -ment suffix meaning 'the result or process of.' This noun describes both the action and the resulting decorative feature.
The -ment suffix (like in 'pavement' or 'government') makes this sound formal and official—embossment is what you call fancy embossing when you're describing it in technical specifications.
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