tracer
Explore definitions, synonyms, and language insights of tracer
Definitions
                    Noun
                    
                an investigator who is employed to find missing persons or missing goods
                
                    Noun
                    
                an instrument used to make tracings
                
                    Noun
                    
                (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes
                
                    Noun
                    
            ammunition whose flight can be observed by a trail of smoke