Words · Familiar
tracer
/tˈɹeɪsɚ/ · 6 letters · 5 distinct letters
- 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