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21 results for: Substratum

Dictionary Entries (6 more entries. View all »)
Dictionary.com Unabridged (v 1.1)Cite This Source
sub·stra·tum    Audio Help   [suhb-strey-tuhm, -strat-uhm, suhb-strey-tuhm, -strat-uhm] Pronunciation Key
–noun, plural -stra·ta    Audio Help   [-strey-tuh, -strat-uh, -strey-tuh, -strat-uh] Pronunciation Key, -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.Agriculture. the subsoil.
4.Biology. the base or material on which a nonmotile organism lives or grows.
5.Philosophy. substance, considered as that which supports accidents or attributes.
6.Photography. a layer of material placed directly on a film or plate as a foundation for the sensitive emulsion.
7.Historical Linguistics. a set of features of a language traceable to the influence of an earlier language that it has replaced, esp. among a subjugated population: The French word for 80, quatre-vingts (“four twenties”), may reflect a Celtic substratum.
Compare superstratum.

[Origin: 1625–35; < NL; see sub-, stratum]

—Related forms
sub·stra·tive, sub·stra·tal, adjective
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Thesaurus Entries
  Roget's II: The New ThesaurusCite This Source
Main Entry:  base
Part of Speech:  noun
Definition:  The lowest or supporting part or structure.
Synonyms:  basis, bed, bottom, foot, footing, foundation, fundament, ground, groundwork, seat, underpinning
Source:  Roget's II: The New Thesaurus, Third Edition
by the Editors of the American Heritage® Dictionary.
Copyright © 2003, 1995 by Houghton Mifflin Harcourt Publishing Company.
Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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