Reference meaning
tracer
Last updated
an investigator who is employed to find missing persons or missing goods
Other meanings
2. noun
an instrument used to make tracings
3. noun
(radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes
4. noun
ammunition whose flight can be observed by a trail of smoke
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 10719972-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.