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tracer
 
Noun tracer has 4 senses
  1. tracer - an investigator who is employed to find missing persons or missing goods
    --1 is a kind of     detective, investigator, tec, police detective
  2. tracer - an instrument used to make tracings
    --2 is a kind of     instrument
    Derived forms: verb trace7, verb trace2
  3. tracer - (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes
    --3 is a kind of     radioisotope
  4. tracer, tracer bullet - ammunition whose flight can be observed by a trail of smoke
    --4 is a kind of ammunition, ammo
trace abiltyu trace detector trace element trace program traceability traceable traced traceibilty tracer tracer bullet tracery traces traceurs tracey trachea tracheal tracheal vein

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