derivative work
Noun
Meaning
derivative work (plural derivative works)
(law) In copyright law, a work that is a variation of an original work sufficiently similar to contain protected elements of the original work, but sufficiently different to qualify for copyright protection independent of the original work.
Synonyms
Hyponyms
Examples
My first two books are out of print and, okay, they can sleep there comfortably. It's early work, derivative work.