substratum

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This explains how "cold" glaciers that are frozen to the substratum are able to move, and why many glaciers move faster in the summer than in the winter.

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Definitions (13)

Toggle American Heritage definitions American Heritage Dictionary (7)

  1. noun An underlying layer.
  2. noun A layer of earth beneath the surface soil; subsoil.
  3. noun A foundation or groundwork.

Toggle Century definitions Century Dictionary (2)

Toggle GNU Webster definitions GNU Webster's 1913 (1)

Toggle WordNet definitions WordNet (3)

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Examples (50)

  • This explains how "cold" glaciers that are frozen to the substratum are able to move, and why many glaciers move faster in the summer than in the winter. —  RealClimate
  • Both Tamils and Sinhalese share a common ethnic substratum is the archaeological understanding. —  TamilNet Newswire
  • Neurite extension by peripheral and central nervous system neurons in response to substratum-bound fibronectin and laminin. —  CiteULike: Everyone's library
  • The common fishes were significantly more abundant in vegetated areas than on adjacent unvegetated substratum, and total abundances were higher in M. spicatum and R. maritima than in V. americana. —  CiteULike: Everyone's library
  • This, when established, will be a unification of matter such as has through all the ages been sought; it goes further than had been hoped, for the substratum is not an unknown and hypothetical protile, but the familiar electric charge APPENDIX C The hypothesis that all elements have definite quantities of electricity in them, or a definite number of electrons, as suggested on page 335, receives added weight by the testimony of Sir Oliver Lodge in the work already referred to. —  Aether and Gravitation
 

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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.

Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. 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 Indo-European roots.

Toggle Century etymologies Century Dictionary (1)

  1. New Latin, from Latin substratum, neuter of substratus, spread under: see substrate, and cf. stratum.
 

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/səbˈstreɪtəm/
by American Heritage

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