substratum(redirected from substrata)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to substrata: superstratum
n. pl. sub·stra·ta (-strā′tə, -străt′ə) or sub·stra·tums
a. An underlying layer.
b. A layer of earth beneath the surface soil; subsoil.
2. A foundation or groundwork.
3. The material on which another material is coated or fabricated.
4. Philosophy The underlying characterless substance that supports attributes of material reality.
5. Biology A substrate.
6. Linguistics A substrate.
[New Latin substrātum, from neuter of Latin substrātus, past participle of substernere, to lay under : sub-, sub- + sternere, to stretch, spread; see ster-2 in the Appendix of Indo-European roots.]
n, pl -strata (-ˈstrɑːtə; -ˈstreɪtə)
1. any layer or stratum lying underneath another
2. a basis or foundation; groundwork
3. (Biology) the nonliving material on which an animal or plant grows or lives
4. (Geological Science) geology
a. the solid rock underlying soils, gravels, etc; bedrock
b. the surface to which a fixed organism is attached
5. (Sociology) sociol any of several subdivisions or grades within a stratum
6. (Photography) photog a binding layer by which an emulsion is made to adhere to a glass or film base. Sometimes shortened to: sub
7. (Philosophy) philosophy substance considered as that in which attributes and accidents inhere
8. (Linguistics) 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 superstratum2
[C17: from New Latin, from Latin substrātus strewn beneath, from substernere to spread under, from sub- + sternere to spread]
subˈstrative, subˈstratal adj
sub•stra•tum(ˈsʌbˌstreɪ təm, -ˌstræt əm, sʌbˈstreɪ təm, -ˈstræt əm)
n., pl. -stra•ta (-ˌstreɪ tə, -ˌstræt ə, -ˈstreɪ tə, -ˈstræt ə) -stra•tums.
1. something that is spread or laid under something else; a stratum or layer lying under another.
2. something that underlies or serves as a basis or foundation.
3. the subsoil.
Switch to new thesaurus
|Noun||1.||substratum - a surface on which an organism grows or is attached; "the gardener talked about the proper substrate for acid-loving plants"|
surface - the extended two-dimensional outer boundary of a three-dimensional object; "they skimmed over the surface of the water"; "a brush small enough to clean every dental surface"; "the sun has no distinct surface"
|2.||substratum - any stratum or layer lying underneath another|
stratum - one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)
|3.||substratum - an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population; "the Celtic languages of Britain are a substrate for English"|
indigenous language - a language that originated in a specified place and was not brought to that place from elsewhere
substratum[ˈsʌbˈstrɑːtəm] N (substrata (pl)) [ˈsʌbˈstrɑːtə] → sustrato m
substratum[sʌbˈstrɑːtəm] n (substrata (pl)) [sʌbˈstrɑːtə] (Geol) (fig) → sostrato
n. sustrato, fundación, base en la que vive un organismo.