Found 2 items, similar to foliums.
English → English (WordNet) Definition: folium folium n : a thin layer or stratum of (especially metamorphic) rock [also: folia (pl)]
English → English (gcide) Definition: Foliums Folium \Fo"li*um\, n.; pl. E. Foliums, L. Folia. [L., a leaf.] 1. A leaf, esp. a thin leaf or plate. [1913 Webster] 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. [1913 Webster]