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radiotracer

American  
[rey-dee-oh-trey-ser] / ˈreɪ di oʊˌtreɪ sər /

noun

Chemistry.
  1. a radioactive isotope used as a tracer.


Etymology

Origin of radiotracer

First recorded in 1945–50; radio- + tracer

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The radiotracer most commonly used, called FDG, helps measure the uptake of glucose.

From Washington Post Apr. 27, 2015

The Mayo Clinic in Rochester, Minn., has persuaded Medicare to reimburse for C11-choline, a radiotracer that studies have shown is highly effective at detecting recurrent prostate cancer.

From Washington Post Apr. 27, 2015

A radiotracer that can help rule out Alzheimer’s disease exists, Gambhir says, but it costs $3,000 to $5,000 per scan.

From Washington Post Apr. 27, 2015

But not when our lives were tied to where the radiotracer chose to land.

From New York Times Mar. 1, 2011

After the test, they put on a bandage to cover the site where the radiotracer was injected, and we went home for the weekend.

From New York Times Mar. 1, 2011

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