overprint

overprint

additional matter, other than a change in face value, applied to a finished postage stamp by printing, stamping, etc.

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overprint [′ō·vər‚print]

(geochemistry)

A complete or partial disturbance of an isolated radioactive system by thermal, igneous, or tectonic activities which results in loss or gain of radioactive or radiogenic isotopes and, hence, a change in the radiometric age that will be given the disturbed system.

(geology)

The development or superposition of metamorphic structures on original structures. Also known as imprint; metamorphic overprint; superprint.

(graphic arts)

To imprint over something that has been printed.

To apply a varnish or lacquer to printed matter from a type or litho process, by means of a brush, spray, or roller coating.

To print in a primary color over an existing color print to obtain a compound shade.