folium

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folium

The equation of the folium of Descartes is: + =3 (Academy Artworks)

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.]

A broad, thin, leaflike structure, as of the cerebellar cortex.

Pl. folia [L.] a leaflike structure, especially one of the leaflike subdivisions of the cerebellar cortex.

The noun has one meaning:

Meaning #1: a thin layer or stratum of (especially metamorphic) rock