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Webster 1913 Edition

Superstratum

Suˊper-stra′tum

,

Noun.

;

pl.

Superstrata

.

[NL.: cf. L.

supersternere

,

superstratum

, to spread upon. See

, and

.]

A stratum, or layer, above another.

Webster 1828 Edition

Superstratum

SUPERSTRA'TUM

,

Noun.

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