plankton

Từ điển Oxford Learners Wordfinder Dictionary

noun

the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water
• Derivationally related forms:
planktonic
• Hypernyms:
organism, being
• Member Holonyms:
aggregate, congeries, conglomeration
• Member Meronyms:
phytoplankton, zooplankton
• Part Meronyms:
copepod, copepod crustacean