fo·ren·sics
| \ fə-ˈren(t)-sikz, -ˈren-zikz
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Medical Definition of forensics
: the application of scientific knowledge to legal problems
especially
: scientific analysis of physical evidence (such as evidence from a crime scene)
In forensics, DNA is extracted from fluids or tissue found at a crime scene, often sperm or seminal fluid from the bodies or clothing of rape victims, or blood found at the scene of violent crime. — Christopher Joyce and Eric Stover, Witnesses from the Grave, 1991