Superstratum

Suˊper-stra′tum

,

Noun.

;

pl.

Superstrata

.

[NL.: cf. L.

supersternere

,

superstratum

, to spread upon. See

, and

.]

A stratum, or layer, above another.

,

Noun.

[super and stratum.] A stratum or layer above another, or resting on something else.

superstratum ‎(plural superstrata)

(geology) A stratum that is on top of another
(linguistics) A language imposed upon a population that previously spoke another language

a language imposed upon a population that previously spoke another language