Superstratum vs. Substratum — What's the Difference?

One layer or stratum superimposed on another.

An underlying layer.

(Linguistics) The language of a later, invading people imposed on and leaving features in an indigenous language.

A layer of earth beneath the surface soil; subsoil.

(geology) A stratum that is on top of another

A foundation or groundwork.

(linguistics) A language imposed upon a population that previously spoke another language

The material on which another material is coated or fabricated.

A stratum, or layer, above another.

(Philosophy) The underlying characterless substance that supports attributes of material reality.

(Biology) A substrate.

(Linguistics) A substrate.

A layer that lies underneath another.

(figuratively) The underlying cause or basis of something.

(linguistics) A substrate.

That which is laid or spread under; that which underlies something, as a layer of earth lying under another; specifically (Agric.), the subsoil.

The permanent subject of qualities or cause of phenomena; substance.

Any stratum lying underneath another