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Definitions

radioisotope

    [rā′dē ō ī′sə tōp′]

radioisotope definition by Webster's New World

Search Webster's New World College Dictionary

noun
a naturally occurring or artificially created radioactive isotope of a chemical element: used in medical therapy, biological research, etc.
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.

radioisotope definition by American Heritage Dictionary

Search The American Heritage Dictionary of the English Language

noun
A naturally or artificially produced radioactive isotope of an element.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

radioisotope - Medical Definition

Search Medical

noun
A naturally or artificially produced radioactive isotope.
The American Heritage® Medical Dictionary Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

radioisotope - Science Definition

Search Science

A radioactive isotope of a chemical element. Carbon 14 and radon 222 are examples of naturally occurring radioactive isotopes.
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