tracing
n. C / Un. a copy of a drawing or map made by putting a thin sheet of paper over it and following the lines. It can also mean the act of finding the origin or path of something.
n. a copy of a drawing, map, or design made by following the lines of the original through a transparent sheet. Also refers to the process of tracking the history, origin, or movement of an object or person.
She made a tracing of the map for her project.
The architect used a tracing of the original floor plan to suggest modern modifications to the building.
Digital contact tracing became a vital tool for public health officials attempting to map the spread of the virus through the community in real time.
From Middle English tracyng; equivalent to trace + -ing.
Countable when referring to a physical copy; uncountable when referring to the abstract process of tracking or finding origins.