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radiotracer

American  
[ray-dee-oh-tray-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

To perform a PET scan, doctors must first inject patients with a radiotracer, a drug engineered to accumulate in the area of the body being studied and to emit low-level radiation detectable by a scanner.

From New York Times ● Jul. 17, 2010

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