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Meaning of TRACER

Pronunciation:  'treysur

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

TRACER is a 6 letter word that starts with T.


 Synonyms: tracer bullet
 See Also: ammo, ammunition, detective, instrument, investigator, police detective, radioisotope, tec



Webster's 1913 Dictionary
  1. \Trac"er\, n.
    1. A person engaged (esp. in the express or railway service)
       in tracing, or searching out, missing articles, as
       packages or freight cars.
    2. An inquiry sent out (esp. in transportation service) for a
       missing article, as a letter or an express package.
  2. \Tra"cer\, n.
    One who, or that which, traces.
Medical Dictionary
 Definition: the basic, radioactively-tagged compound necessary to produce a nuclear medicine image.