Definition of


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

via WordNet, Princeton University

Synonyms of Tracer

tracer bullet

Alternate forms of Tracer

Derivations: trace

Hypernyms: ammo, ammunition, detective, instrument, investigator, police detective, radioisotope, tec

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