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tracer

(n): an investigator who is employed to find missing persons or missing goods

( more... )

(n): a police officer who investigates crimes

(n): an instrument used to make tracings

(n): a device that requires skill for proper use

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

(n): a radioactive isotope of an element; produced either naturally or artificially

(n): ammunition whose flight can be observed by a trail of smoke

(n): projectiles to be fired from a gun

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first listed by:

yoshiyahu (363 words)

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