tracer
noun
a person or thing that traces.
tracers
-
pluralof tracer.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Within minutes, the tracers reached nearby lymph nodes, connecting the eye's newly identified drainage route to the body's broader lymphatic system.
From Science Daily ● Oct. 11, 2026
Sofie, based in Dulles, Va., operates a network of specialized pharmacies that distribute the tracers used in PET scans.
From The Wall Street Journal ● Oct. 5, 2026
In February he underwent a scan that uses radioactive tracers to see if it had spread.
From Los Angeles Times ● Apr. 27, 2025
Next, they used a special technique involving heavier versions of chemical elements that occur in nature as tracers to track the microbial processes.
From Science Daily ● May 15, 2024
Because every second I stayed with them was another chance for them to discover that skip tracers and PSFs weren’t the real monsters of the world.
From "The Darkest Minds" by Alexandra Bracken
