microplankton

noun
mi·​cro·​plank·​ton | \-ˈplaŋ(k)-tən, -ˌtän\

Definition of microplankton 

: microscopic plankton

First Known Use of microplankton

1903, in the meaning defined above

History and Etymology for microplankton

International Scientific Vocabulary

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The first known use of microplankton was in 1903

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