- 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.
Origin of substratum
Related Words for substratumfoundation, seating, footing, bedrock, infrastructure, bottom, groundwork, support, basement, rest, seat, basis, stand, bed, fundament, foot, pedestal, root, ground, substructure
Examples from the Web for substratum
Historical Examples of substratum
The bottom was quite even and flat, resting upon a substratum of coral.Adrift on the Pacific
Edward S. Ellis
Beneath Verinder's bland manner there lurked a substratum of triumph.The Highgrader
William MacLeod Raine
"There may always be a substratum of friendship," she argued.Tristram of Blent
The substratum was showing itself for a moment in the character of the Countess.Earl Hubert's Daughter
Emily Sarah Holt
For only that which has matter as its substratum can be quantitatively differentiated.A History of Mediaeval Jewish Philosophy
- 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 baseSometimes 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 contactCompare superstratum (def. 2)
Word Origin for substratum
- An underlying layer or stratum.
- A surface on which an organism grows or is attached; a substrate.