Surface layer Synonyms

Surface replaced

superficial layer

outside layer

shallow layer

visible layer

Definitions for Surface

(adjective) lying on or affecting only the outer layer of something
(noun) an outer part or layer
(verb) to come to one's attention especially gradually or unexpectedly

SL abbreviation

SL is an abbreviation for Surface Layer

What does SL stand for?

SL stands for "Surface Layer"

Definitions for Layer

(noun) single thickness of usually some homogeneous substance
(noun) a relatively thin sheetlike expanse or region lying over or under another
(noun) thin structure composed of a single thickness of cells