Definition of Tracer

Noun: tracer  trey-su(r)

1. An investigator who is employed to find missing persons or missing goods
    
2. An instrument used to make tracings
    
3. (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes
    
4. Ammunition whose flight can be observed by a trail of smoke
   - tracer bullet

See also:
traceless
traceried

Anagrams containing the word tracer

teracr rtrace ertrac certra acertr racert