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Meaning of meroplankton

mer•o•plank•ton

Pronunciation: (mer"u-plangk'tun), [key]
— n.
  1. a floating mass of eggs and larvae of organisms that are nektonic or benthic in their adult stage; temporary plankton.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.