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
  • Flights were diverted elsewhere, the Flightradar24 tracker said.
    — Samy Magdy, Los Angeles Times, 10 Oct. 2026
  • The three-tracker constitutes the California black metal crew’s first new music since last year’s Lonely People with Power.
    — Hattie Lindert, Pitchfork, 9 Oct. 2026
Definition of tracker
Noun
  • Tuck drumstick ends under band of skin across the tail if present or tie drumsticks securely to tail using 100%- cotton kitchen string.
    — Sarah Martens, Better Homes & Gardens, 14 Oct. 2026
  • My barometer will always be whether the AI is the tail that’s wagging the dog.
    — Andreas Wiseman, Deadline, 14 Oct. 2026
Definition of tail
Noun
  • Homicide detectives and crime scene investigators took over the investigation.
    — Rosalio Ahumada, Sacbee.com, 10 Oct. 2026
  • Eventually, the detectives find the three men and bring them to trial.
    — Caitlin Huston, HollywoodReporter, 10 Oct. 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 15 Oct. 2026.

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More from Merriam-Webster on tracer

Britannica.com: Encyclopedia article about tracer

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