Definition, Meaning & Synonyms

tracer

Noun
/ˈtreɪsər/
Definition
A substance or device used to track or monitor the progress of something, often used in scientific, military, or engineering contexts.
Examples
  • The scientist used a fluorescent tracer in the water to study flow patterns.
  • In video games, the term tracer refers to a character that has abilities related to speed and tracking enemies.
  • During the military operation, they deployed tracer rounds to illuminate their target.
Meaning
In a general sense, a tracer is something that helps to identify or monitor the path or location of other substances or objects.
Synonyms
  • Marker
  • Tracker
  • Indicator