tracing

noun

1. the act of drawing a plan or diagram or outline

   noun.act

   Source: WordNet 3.0

2. a drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image

   noun.artifact

   Synonyms trace

   Source: WordNet 3.0

3. the discovery and description of the course of development of something

   noun.act

   Examples

   The tracing of genealogies.

   Source: WordNet 3.0

4. The act of one who traces; especially, the act of copying by marking on thin paper, or other transparent substance, the lines of a pattern placed beneath; also, the copy thus producted.

   noun

   Source: webster1913