plankton Hear it!

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:

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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