Alternative form of multilayered

A region of the stratosphere, between 15 and 30 kilometres in altitude, containing a relatively high concentration of ozone, which absorbs most solar ultraviolet radiation.

In semiconductor fabrication: a single crystal layer formed on top of a single crystal substrate.

(Britain, slang, finance) stockbroking executives immediately below the partners in a firm / (by extension) all those just below the highest echelon in any sphere

(chemistry) a single layer of a graphite molecule

(geology) A seismogenic zone

plural of seismogenic layer

(networking) Any of the seven layers of abstraction in the OSI model of communications systems

(anatomy) The deepest layer of the epidermis

(embryology) A collection of cells assembled during embryogenesis that eventually develop into all tissues and organs via organogenesis in animals.