folium noun. ['fǝʊlɪǝm] Pl. -ia [-ɪǝ]. M18.
[Latin.]
1. A leaf. Also, a leaflike process. Usu. in pl. M18.

2. Geology. A thin leaflike sheet, as of a schistose rock. Usu. in pl. L18.

3. Math. folium of Descartes, a cubic curve with a single node at which a single loop begins and ends. M19.

4. = FOLIO noun 6. rare. L19.

[TahlilGaran] English Dictionary ▲