folium

foliumThe equation of the folium of Descartes is x3 + y3 = 3axy.

fo·li·um

F0226400 (fō′lē-əm)n. pl. fo·li·a (-lē-ə) 1. Geology A thin, leaflike layer or stratum occurring especially in metamorphic rock.2. Mathematics A plane cubic curve having a single loop, a node, and two ends asymptotic to the same line.

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[Latin, leaf; see bhel- in Indo-European roots.]

folium

(ˈfəʊlɪəm) n, pl -lia (-lɪə) 1. (Mathematics) a plane geometrical curve consisting of a loop whose two ends, intersecting at a node, are asymptotic to the same line. Standard equation: x³ + y³=3axy where x=y+a is the equation of the line2. (Geological Science) any thin leaflike layer, esp of some metamorphic rocks[C19: from Latin, literally: leaf]

fo•li•um

(ˈfoʊ li əm)

n., pl. -li•a (-li ə) 1. a thin leaflike stratum or layer. 2. Geom. part of a curve terminated at both ends by the same node. Equation: x³ + y³= 3 axy. [1840–50; < New Latin, Latin: literally, a leaf]

Thesaurus

Noun

1.

folium - a thin layer or stratum of (especially metamorphic) rockgeological formation, formation - (geology) the geological features of the earth