Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An underlying layer.
  • noun A layer of earth beneath the surface soil; subsoil.
  • noun A foundation or groundwork.
  • noun The material on which another material is coated or fabricated.
  • noun Philosophy The characterless substance that supports attributes of reality.
  • noun Biology A substrate.
  • noun Linguistics A substrate.

from The Century Dictionary.

  • noun That which is laid or spread under; a stratum lying under another; in agriculture, the subsoil; hence, anything which underlies or supports: as, a substratum of truth.
  • noun In metaphysics, substance, or matter, as that in which qualities inhere.

from the GNU version of the Collaborative International Dictionary of English.

  • noun That which is laid or spread under; that which underlies something, as a layer of earth lying under another; specifically (Agric.), the subsoil.
  • noun (Metaph.) The permanent subject of qualities or cause of phenomena; substance.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A layer that lies underneath another
  • noun figuratively The underlying cause or basis of something

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a surface on which an organism grows or is attached
  • noun an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population
  • noun any stratum or layer lying underneath another

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[New Latin substrātum, from neuter of Latin substrātus, past participle of substernere, to lay under : sub-, sub- + sternere, to stretch, spread; see ster- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin sub, under + stratum, layer

Examples

  • Is it not sufficiently expressed in the term substratum, or substance?

    The First Dialogue

  • If we take away the useful labour expended upon them, a material substratum is always left, which is furnished by Nature without the help of man.

    skzbrust: Capital Volume 1 Part 1 Chapter 1 Section 2 Post 3

  • If we take away the useful labour expended upon them, a material substratum is always left, which is furnished by Nature without the help of man.

    A Bland and Deadly Courtesy

  • The word substratum is used only to express in general the same thing with substance.

    The First Dialogue

  • If so, the word substratum should import that it is spread under the sensible qualities or accidents?

    The First Dialogue

  • The substratum is the cause of a thing's being or existence; the process of shaping or forming is the cause of its being a particular kind of being or existent, that is, of its having one set of qualities rather than another.

    Concepts of God

  • Third, is that idea of substance as a bare substratum, which is “a supposed, I know not what, to support those ideas we call accidents.” (xxiii 15).

    Substance

  • For if the change is ‘alteration’, then the substratum is a single element; i.e. all things which admit of change into one another have a single matter.

    On the Generation and Corruption

  • Nor does matter belong to those things which exist by nature but are not substances; their substratum is the substance.

    Metaphysics

  • (A) ultimate substratum, which is no longer predicated of anything else, and (B) that which, being a ‘this’, is also separable and of this nature is the shape or form of each thing.

    Metaphysics

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