tracer

noun

Definition of tracernext
as in tracker

Related Words

Relevance

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
  • Despite the measures, though, the presence of immigration agents around Cook County courthouses is stubbornly persistent, according to a Tribune review of a tracker maintained by the Cook County public defender’s office.
    — Chicago Tribune, Chicago Tribune, 13 July 2026
  • The tracker will be available online here with live data throughout the event.
    — Kelly McCarthy, ABC News, 13 July 2026
Definition of tracker
Noun
  • After waiting for Odysseus to return, the dog wagged its tail and died.
    — Tanya Fedak, Variety, 18 July 2026
  • The species features mainly black fur, cape-like shoulders and a long tail, per Florida Atlantic University’s release.
    — Gabrielle Rockson, PEOPLE, 17 July 2026
Definition of tail
Noun
  • The 58-year-old was arrested after talking with a family violence detective, according to police.
    — Harriet Ramos, Fort Worth Star-Telegram, 11 July 2026
  • Fortunately, a veteran detective pursued the investigation and made an arrest.
    — Ari Maas, New York Daily News, 11 July 2026
Definition of detective

Browse Nearby Words

traced
tracer
tracers
See all Nearby Words

Cite this Entry

“Tracer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tracer. Accessed 19 Jul. 2026.

Copy Citation

More from Merriam-Webster on tracer

Nglish: Translation of tracer for Spanish Speakers

Britannica.com: Encyclopedia article about tracer

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

The Words of the Week - Jul 17
See More

Popular

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
child-detective
Spot the Misspelled Word July 2026 Those little red underlines can't help you now...
See All