trace element

trace element definition - medical

trace element (trās)

noun
  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® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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