monotype

1. [ Mono- + -type. ] 1. (Biol.) The only representative of its group, as a single species constituting a genus. [ Webster 1913 Suppl. ]

2. 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. [ Webster 1913 Suppl. ]

3. A kind of keyboard-operated typesetting and casting machine that makes and sets separate characters. [ Webster 1913 Suppl. ]