lineation Hear it!

lineation definition

lin·ea·tion (lin′ē ā′s̸hən)

noun

    1. a marking with lines
    2. a system or series of lines
  2. a division into lines
  3. any linear structure in a rock, as the ripple marks in a sedimentary rock

Etymology: ME lyneacion < L lineatio

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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