plankton
noun/ˈplæŋktən/
/ˈplæŋktən/
[uncountable + singular or plural verb]- the very small forms of plant and animal life that live in water
- Plankton is/are one of the most important life forms in our oceans.
Word Originlate 19th cent.: from German, from Greek planktos ‘wandering’, from the base of plazein ‘wander’.Want to learn more?
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