substratum

(redirected from Substrate language)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to Substrate language: superstratum, Superstrate

sub·stra·tum

(sŭb-strā'tŭm),
Any layer or stratum lying beneath another.
[L. see substrate]

substratum

(sŭb′strā′təm, -străt′əm)
n. pl. sub·strata (-strā′tə, -străt′ə) or sub·stratums
Biology A substrate.

sub·stra′tive adj.

substratum

[-strā′təm]
Etymology: L, sub + stratum, layer
any underlying layer; a foundation.

substrate

, substratum (sub'strat) (sub-stra'tum) [L. substratum, to lie under]
1. An underlying layer or foundation.
2. A base, as of a pigment.
3. The substance acted upon, as by an enzyme. See: enzyme