Guest

folium JUST WRITTEN FOR YOU

/ˈfoʊliəm/ · fo·li·um
noun
  1. A leaf, especially a thin leaf or plate. The botanist studied the delicate folium of the rare orchid species.
  2. 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. The mathematician used the folium to model the trajectory of a projectile in a complex motion problem.
Did you know? The term 'folium' is also used in chemistry to describe a type of leaf-shaped crystal structure, highlighting the word's versatility in describing natural and mathematical concepts.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 19, 2026