Substrata, plural of substratum, may refer to: * Earth's substrata, the geologic layering of the Earth *''

Hypokeimenon ''Hypokeimenon'' ( Greek: ὑποκείμενον), later often material substratum, is a term in metaphysics which literally means the "underlying thing" (Latin: ''subiectum''). To search for the ''hypokeimenon'' is to search for that substan ...

'', sometimes translated as ''substratum'', a concept in metaphysics * Substrata (album), a 1997 ambient music album by Biosphere **'' Substrata 2'', a 2001 double album by Biosphere, including a remaster of the 1997 album * Substrata (gardening), another term for ''subsoil'' * Substrata (geology), layers of rock or sediment *

Substrata (linguistics) In linguistics, a stratum (Latin for 'layer') or strate is a historical layer of language that influences or is influenced by another language through contact. The notion of "strata" was first developed by the Italian linguist Graziadio Isaia A ...

, languages which influence another through linguistic contact

See also