Fo"li*um (?), n.; pl. E. Foliums (#), L. Folia (#). [L., a leaf.]

1.

A leaf, esp. a thin leaf or plate.

2. Geom.

A curve of the third order, consisting of two infinite branches, which have a common asymptote. The curve has a double point, and a leaf-shaped loop; whence the name. Its equation is x3 + y3 = axy.

 

© Webster 1913.

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