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English Thesaurus

1. ammunition whose flight can be observed by a trail of smoke (noun.artifact)

hypernym	:	ammo, ammunition,
definition	:	projectiles to be fired from a gun (noun.artifact)

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

hypernym	:	radioisotope,
definition	:	a radioactive isotope of an element; produced either naturally or artificially (noun.substance)

domain category	:	radiology,
definition	:	the branch of medical science dealing with the medical use of X-rays or other penetrating radiation (noun.cognition)

3. an instrument used to make tracings (noun.artifact)

hypernym	:	instrument,
definition	:	a device that requires skill for proper use (noun.artifact)

4. an investigator who is employed to find missing persons or missing goods (noun.person)

hypernym	:	detective, investigator, police detective, tec,
definition	:	a police officer who investigates crimes (noun.person)

5. an instrument used to make tracings (noun.artifact)

derivation	:	delineate, describe, draw, line, trace,
definition	:	make a mark or lines on a surface (verb.contact)

derivation	:	trace,
definition	:	copy by following the lines of the original drawing on a transparent sheet placed upon it; make a tracing of (verb.creation)

derivation	:	delineate, describe, draw, line, trace,
definition	:	make a mark or lines on a surface (verb.contact)

derivation	:	trace,
definition	:	copy by following the lines of the original drawing on a transparent sheet placed upon it; make a tracing of (verb.creation)