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radiotracer

[rey-dee-oh-trey-ser]
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noun Chemistry.
  1. a radioactive isotope used as a tracer.
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Origin of radiotracer

First recorded in 1945–50; radio- + tracer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

radiotracer in Medicine

radiotracer

(rādē-ō-trā′sər)
n.
  1. A radioactive isotope used as tracer.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.