oligodynamic

[ ŏl′ĭ-gō-dī-nămĭk ]

adj.

Active or effective in very small quantities, as certain germicides or heavy-metal toxins.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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