What is "folium"

Folium \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 x^ 3 + y^ 3 = axy.

see folio.

n. 1 A leaf, especially a thin leaf or plate. 2 (context geometry English) A curve of the third order, consisting of two infinite branches having a common asymptote. The curve has a double point, and a leaf-shaped loop.

1. n. a thin layer or stratum of (especially metamorphic) rock

2. [also: folia (pl)]

A folium (Latin = "leaf"; plural = "folia") is a wrinkle ( gyrus) on the surface of the cerebellum. The cortex (skin or rind) of a folium consists of three layers of cells - the top molecular layer, the Purkinje layer, and the bottom granular layer - and this cortex covers deeper white matter (interconnecting fibers).

Folium (, "leaf") may refer to

• a leaf of a book: see recto and verso
• Folium of Descartes, an algebraic curve
• Folium (spider), a marking on the abdomen of a spider