tracer

noun

Definition of tracernext
as in tracker

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of tracer Aware has been using tracer particles and its blockchain technology for several years now, applying it to recycled cotton, denim and other materials. — Jennifer Bringle, Sourcing Journal, 30 Mar. 2026 In the tense Lebanese capital, Beirut, Israeli surveillance drones buzz overhead while red tracer bullets light up the night skies, fired to warn residents of possible attacks. — Matthew Chance, CNN Money, 3 Mar. 2026 The talc was Katharine’s visual tracer. — Natalia Sánchez Loayza, Scientific American, 26 Feb. 2026 The PET scan uses a radioactive drug called a tracer to show both typical and atypical metabolic activity, according to the Mayo Clinic. — Stephanie Giang-Paunon, FOXNews.com, 18 Feb. 2026 See All Example Sentences for tracer
Recent Examples of Synonyms for tracer
  1. tracker
  2. tail
  3. detective
Noun
  • Standout features The free version includes a custom budget, manual expense tracking and a savings-goals tracker.
    — Jason Stauffer, CNBC, 24 Sep. 2026
  • Bremen and Model are more surprising, each making the top five of AJC Varsity’s Class 2A improvement tracker.
    — Todd Holcomb, AJC.com, 24 Sep. 2026
Definition of tracker
Noun
  • Aviation experts were surprised that the plane did not crash after a descent so extreme that most of the rudder was ripped off the tail.
    — Arkansas Online, Arkansas Online, 1 Oct. 2026
  • Beneath the waterline, a tail rudder modeled after a fish fin takes over.
    — Mrigakshi Dixit, Interesting Engineering, 30 Sep. 2026
Definition of tail
Noun
  • Ada Laplan MooreKern County Sheriff's Office The detective’s first order of business?
    — Veronica Fulton-Mazaika, NBC news, 26 Sep. 2026
  • When a murder occurs, the cast become suspects and a producer must turn detective.
    — L.M. Chilton, PEOPLE, 26 Sep. 2026
Definition of detective

Browse Nearby Words

traced
tracer
tracers
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Cite this Entry

“Tracer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tracer. Accessed 3 Oct. 2026.

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More from Merriam-Webster on tracer

Britannica.com: Encyclopedia article about tracer

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