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trace element
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5 dictionary results for: trace element
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

trace element

 
–noun Biochemistry.
any element that is required in minute quantities for physiological functioning.
Also called trace mineral.

Origin:
1935–40
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Cite This Source
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American Heritage Dictionary - Cite This Source - Share This
trace element  
n.  
  1. A chemical element required in minute quantities by an organism to maintain proper physical functioning.
  2. A minute quantity or amount: "The trace elements of belief vanish when it becomes apparent that the . . . officer . . . never has suffered the indignity of combat" (Lewis H. Lapham).
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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WordNet - Cite This Source - Share This
trace element

noun
an element that occurs at very small quantities in the body but is nonetheless important for many biological processes 

WordNet® 3.0, © 2006 by Princeton University.
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The American Heritage Science Dictionary - Cite This Source - Share This
trace element   (trās)  Pronunciation Key 
An element present in an organism in only very small amounts but essential for normal metabolism. Iodine and cobalt are trace elements required by humans.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

trace element n.

  1. A chemical element required in minute quantities by an organism to maintain proper physical functioning.
  2. A minute quantity or amount, as of a chemical compound.

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