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folium

folium


fo·li·um    Audio Help   (fō'lē-əm)   

n.   pl. fo·li·a (-lē-ə)

  1. Geology A thin, leaflike layer or stratum occurring especially in metamorphic rock.

  2. Mathematics A plane cubic curve having a single loop, a node, and two ends asymptotic to the same line.


[Latin, leaf; see bhel-3 in Indo-European roots.]
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The American Heritage® Dictionary of the English Language, Fourth Edition
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