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noun, plural substrata
[suhb-strey-tuh, -strat-uh, -suhb-strey-tuh, -strat-uh] /ˈsʌbˌstreɪ tə, -ˌstræt ə, -sʌbˈstreɪ tə, -ˈstræt ə/ (Show IPA), substratums.
something that is spread or laid under something else; a stratum or layer lying under another.
something that underlies or serves as a basis or foundation.
Agriculture. the subsoil.
Biology. the base or material on which a nonmotile organism lives or grows.
Philosophy. substance, considered as that which supports accidents or attributes.
Photography. a layer of material placed directly on a film or plate as a foundation for the sensitive emulsion.
Historical Linguistics. a set of features of a language traceable to the influence of an earlier language that it has replaced, especially among a subjugated population:
The French word for 80, quatre-vingts (“four twenties”), may reflect a Celtic substratum.
noun (pl) -strata (-ˈstrɑːtə; -ˈstreɪtə)
any layer or stratum lying underneath another
a basis or foundation; groundwork
the nonliving material on which an animal or plant grows or lives

the solid rock underlying soils, gravels, etc; bedrock
the surface to which a fixed organism is attached

(sociol) any of several subdivisions or grades within a stratum
(photog) a binding layer by which an emulsion is made to adhere to a glass or film base Sometimes shortened to sub
(philosophy) substance considered as that in which attributes and accidents inhere
(linguistics) the language of an indigenous population when replaced by the language of a conquering or colonizing population, esp as it influences the form of the dominant language or of any mixed languages arising from their contact Compare superstratum (sense 2)
(sŭb’strā’təm, -strāt’əm)
Plural substrata or substratums

An underlying layer or stratum.

A surface on which an organism grows or is attached; a substrate.


Read Also:

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    [suhb-struhk-shuh n] /sʌbˈstrʌk ʃən/ noun 1. a foundation or substructure.

  • Substructure

    [suhb-struhk-cher, suhb-struhk-] /sʌbˈstrʌk tʃər, ˈsʌbˌstrʌk-/ noun 1. a structure forming the foundation of a building or other construction. 2. the foundations, piers, and abutments upon which the trusses or girders of the spans of a bridge rest. 3. any basic structure or organization. substructure /ˈsʌbˌstrʌktʃə/ noun 1. a structure, pattern, etc, that forms the basis […]

  • Subsulfate

    noun, Chemistry. 1. a basic salt of sulfuric acid.

  • Subsumable

    verb (used with object), subsumed, subsuming. 1. to consider or include (an idea, term, proposition, etc.) as part of a more comprehensive one. 2. to bring (a case, instance, etc.) under a rule. 3. to take up into a more inclusive classification. verb (transitive) 1. to incorporate (an idea, proposition, case, etc) under a comprehensive […]

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