tracer

IPA: trˈeɪsɝ

(chemistry) A compound, element, or isotope used to track the progress or history of a natural process.
A round of ammunition for a firearm that contains magnesium or another flammable substance arranged such that it will burn and produce a visible trail when fired in the dark.
The act or state of tracking or investigating something.
A request to trace the movements of a person or an object, such as a shipment.
A person who traces something.
A device or instrument used to assist in making tracings.

Examples of "tracer" in Sentences

OH as a tracer of shock conditions.
No tracer or self destruct functions.
Tracer, armour piercing and incendiary.
It is routinely used as a neuronal tracer.
They are commonly used as a tracer agents.
There was no attempt to recreate tracer rounds.
The size of the tracer is around the micrometre.
The tracer was an Indian girl in a deerskin dress.
The tracer supply is variable to optimize the null point appraisal.
Tracers are used in oceanography to deduce flow patterns in the ocean.
“Andrea, remember, your tracer will be a three-year-old,” Jonah cautioned.
There are three types of tracers bright tracer, subdued tracer and dim tracer.
Bursts of yellow tracer from the German machine guns pursued the fleeing gun crews.
The set of delayed images will begin anywhere from 2 to 4 hours after the tracer is given.
What we're seeing now is what the General describes as tracer fire followed by anti-aircraft fire.
The pharmaceutical or medicine portion of the tracer is designed to travel to a particular organ or area of the body.
One of Eastwood’s broader performances, especially when his skip tracer is putting on an act for the benefit of one of his targets.
The lastmentioned isotope can only be used in tracer quantities, which means that only about one part per million of the participating molecules are radioactive.