holoplankton

noun

hol·​o·​plank·​ton

ˌhälōˈplaŋktən,

ˌhōl-

: plankton composed of organisms that pass their whole life floating, drifting, or swimming weakly in the water compare hemiplankton

holoplanktonic

¦⸗⸗(ˌ)plaŋk¦tänik

adjective

Word History

Etymology

International Scientific Vocabulary hol- + plankton

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