Definition of Foliation

Noun: foliation ,fow-lee'ey-shun

(botany) the process of forming leaves
- leafing
(geology) the arrangement of leaflike layers in a rock
(architecture) leaf-like architectural ornament
- foliage
The production of foil by cutting or beating metal into thin leaves
The work of coating glass with metal foil
(mathematics) a set of lower-dimension manifolds that a given manifold can be decomposed into