T t


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [trey-ser]
    • /ˈtreɪ sər/
    • /ˈtreɪ.sər/
    • US Pronunciation
    • US IPA
    • [trey-ser]
    • /ˈtreɪ sər/

Definitions of tracer word

  • noun tracer a person or thing that traces. 1
  • noun tracer a person whose business or work is the tracing of missing property, parcels, persons, etc. 1
  • noun tracer an inquiry sent from point to point to trace a missing shipment, parcel, or the like, as in a transportation system. 1
  • noun tracer any of various devices for tracing drawings, plans, etc. 1
  • noun tracer Also called tracer ammunition. ammunition containing a chemical substance that causes a projectile to trail smoke or fire so as to make its path visible and indicate a target to other firers, especially at night. 1
  • noun tracer the chemical substance contained in such ammunition. 1

Information block about the term

Origin of tracer

First appearance:

before 1535
One of the 29% oldest English words
First recorded in 1535-45; trace1 + -er1

Historical Comparancy

Parts of speech for Tracer


tracer popularity

A common word. It’s meaning is known to most children of preschool age. About 94% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

tracer usage trend in Literature

This diagram is provided by Google Ngram Viewer

Top questions with tracer

  • what is a radioactive tracer?

See also

Matching words

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