embossment

1. The act or process of embossing or the condition of being embossed.
2. Embossed ornamentation.
3. The distance between the nondeformed part of a document surface and a specified point on a printed character in optical character recognition.

The noun has 2 meanings:

Meaning #1: an impression produced by pressure or printing
  Synonym: imprint

Meaning #2: sculpture consisting of shapes carved on a surface so as to stand out from the surrounding background
  Synonyms: relief, relievo, rilievo, sculptural relief