Synonyms and Antonyms for tracer

1. tracer (n.)

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

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2. tracer (n.)

an investigator who is employed to find missing persons or missing goods

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3. tracer (n.)

ammunition whose flight can be observed by a trail of smoke

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4. tracer (n.)

an instrument used to make tracings

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