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Word: tracer (lookup usage) (lookup stats)


Meaning:

Noun:

  • A person who traces something.
  • A piece 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 at night.
  • chemistry A chemical used to track the progress or history of a natural process.
  • The act of tracking or investigating something.

Source: Wiktionary | Src Info »