For example, the term "DMBA-DNA adduct" in a scientific journal refers to a piece of DNA that has DMBA (7,12-dimethylbenz(a)anthracene) attached to it.
In the context of scientific research, the term "DMBA-DNA adduct" specifically denotes a piece of DNA that has been chemically linked to DMBA (7,12-dimethylbenz(a)anthracene), as described in an academic publication.