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Webster's New World College Dictionary » plankton
plankton
plankton definition
plank·ton (plaŋk′tən)
noun
the usually microscopic animal and plant life found floating or drifting in the ocean or in bodies of fresh water, used as food by nearly all aquatic animals
Etymology: Ger < Gr planktos, wandering < plazesthai, to wander, akin to planan: see planet
Related Forms:
- planktonic plank·ton′ic (-tän′ik) adjective
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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