pycnocline Hear it!

pycnocline definition

pyc·no·cline (pik′nə klīn′)

noun

a layer, zone, or gradient of changing density, esp. a thin layer of ocean water with a density that increases rapidly with depth

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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