Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Language: German
Origin: Greek, from planktos 'wandering', from plazesthai 'to wander'

plankton

 noun
     
Related topics: Biology, Animals, Plants
plank‧ton [uncountable]
HBPHBA the very small forms of plant and animal life that live in water, especially the sea, and are eaten by fish
Definition from the Longman Dictionary of Contemporary English
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