folium
noun
Forms foliums folia
- noun (rare) A leaf.
- noun A leaf (2 pages) of a codex or manuscript.
- noun A document that acts as the legal record of a transaction.
- noun (especially real estate) A certificate of title.
- noun A thin sheet or plate of a foliated rock or mineral.
- noun (anatomy) A lobe on a branching structure.
- noun A leaf-like protrusion or lobule on one of the vermes of the cerebellum.
- noun (geometry) 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.
Synonyms
Etymology
From Latin folium (“leaf”). Doublet of foil and folio, distantly also with phyllo and phyllon.
Webster’s 1913
- noun A leaf, esp. a thin leaf or plate.
- noun 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.
Etymology [L., a leaf.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “folium”, CC BY-SA 4.0. Details