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radiotracer

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ra⋅di⋅o⋅trac⋅er

[rey-dee-oh-trey-ser]
–noun Chemistry.
a radioactive isotope used as a tracer.

Origin:
1945–50; radio- + tracer
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ra·di·o·trac·er   (rā'dē-ō-trā'sər)   
n.  A radioactive tracer.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ra·dio·trac·er
Pronunciation: 'rAd-E-O-"trA-s&r
Function: noun
: a radioactive tracer
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

radiotracer ra·di·o·trac·er (rā'dē-ō-trā'sər)
n.
A radioactive isotope used as tracer.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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