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Meaning of stonewort

stone•wort

Pronunciation: (stōn'wûrt", -wôrt"), [key]
— n.
  1. any of a plantlike group of green algae constituting the class Charophyceae, having a jointed body frequently encrusted with lime and usually attached to the bottom in fresh water.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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