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nannoplankton

[nan-uh-plangk-tuh n]
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noun
  1. the smallest of the microplankton; the aquatic organisms that can pass through fine mesh plankton nets.
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Also nanoplankton.

Origin of nannoplankton

1910–15; nanno- + plankton
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
nannoplankton in Science

nannoplankton

  1. Plankton of minute size, especially plankton composed of organisms measuring from 2 to 20 micrometers.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.