Examples of tracer in a Sentence
The enemy fired tracers at the aircraft carrier.
They injected her with a radioactive tracer and tracked it via X-rays.
Recent Examples of tracer from the Web
The official said investigators searching Paddock's hotel room found tracer rounds and a document with the name of the Mesa man who sold him the ammunition.
Geologists placed tracer dyes in the underground rivers and learned the cavern aquifer extends 4 miles east to White Oak Sinks, in the isolated valley of Cades Cove in Great Smoky Mountains National Park near the North Carolina line.
The 351-foot tracer cut the lead to 7-4, chased reliever Andrew Chafin from the mound and gave Myers his fifth career multi-homer performance.
Diminutive antibodies can also be fused to radioactive or fluorescent tracers to illuminate tumors or even guide surgery.
The professor paces in sneakers, discussing the merits of Technetium-99m and quizzing the class on how long a certain radioactive tracer should last in medical scans.
But by contrast, the Ryzen 2700X is 27-percent quicker in multithreaded Cinebench and 23-percent faster in the POV-Ray ray tracer.
Greece said its troops fired tracer rounds on Monday night as a warning after a Turkish helicopter with its lights off flew close to the Greek islet of Ro in the southern Aegean.
This has enabled the team here to fit animals with tracers, which allows them to know exactly where some species live.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tracer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
TRACER Defined for English Language Learners
Definition of tracer for English Language Learners
: a type of bullet that shows its path by creating smoke or light as it moves through the air
medical : a substance that is put in a patient's body so that doctors can watch a biological process (such as digestion) or see how a condition (such as cancer) is progressing
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