monotype

noun

The sole member of its group, such as a single species that constitutes a genus.

noun

A unique print made by pressing paper against a painted or inked surface.

noun

The only, single, or sole type, as a species single in its genus, a genus in its family, etc.; a typical representative alone of its kind.

noun

A print from a metal plate on which a picture is painted, as in oil-color or printers’ ink. Only one proof can be made, since the picture is transferred to the paper.

Monotypic.

noun

The trade-name of a machine which casts and sets in order single types.

adjective

Having but one type; containing but one representative.

The only representative of its group, as a single species constituting a genus.

A print (but one impression can be taken) made by painting on metal and then transferring the painting to paper by pressure; also, the process of making such prints.