basement complex

Variant of basement

basement definition

base·ment (bās′mənt)

noun

  1. the foundation or lower part of a wall or structure
  2. the lowest story of a building, below the main floor and wholly or partly below the surface of the ground
  3. Geol. the oldest layer of igneous and metamorphic rocks in the crust of the earth, covered by layers of more recent, usually sedimentary rocks
    in full basement complex

Etymology: base + -ment

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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