
A one off kind of art print made by painting on a sheet of glass or metal, then transferring the still-wet painting to a sheet of paper. Sufficient original paint remains on the plate after the transfer so that the same or different colours can be re-applied to make subsequent prints, but no two prints are ever exactly alike.
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http://www.redraggallery.co.uk/art-glossary.html

Essentially a unique variant of a conventional print. An impression is printed from a reprintable block, such as an etched plate or woodblock, but in such a way that only one of its kind exists, for example by incorporating unique hand-colouring or collage. The term can also refer to etchings which are inked and wiped in an expressive, not precisel...
Found on
https://www.encyclo.co.uk/local/20873

A monoprint is made by placing paper directly on a painting made on a plate of metal, or other non-porous surface. The paper and plate are then run through an etching press which transfers the image from the plate to the paper. Technically it is a print pulled in an edition of one which is a unique work using a print medium.
Found on
https://www.encyclo.co.uk/local/21526

One of a series in which each print has some differences of color, design, texture, etc. applied to an underlying common image.
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https://www.xrite.com/learning/other-resources/glossary
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