tracer   (TTS Sound)

The noun tracer has 4 senses

• tracer -- (an investigator who is employed to find missing persons or missing goods)


• tracer -- (an instrument used to make tracings)


• tracer -- ((radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes)


• tracer, tracer bullet -- (ammunition whose flight can be observed by a trail of smoke)