Meaning & use
plankton
Tiny organisms that drift in oceans, lakes, or rivers and form the base of aquatic food chains.
See it in a sentence
Whales filter huge amounts of plankton from seawater as their main food source.
Under the microscope, the pond water revealed thousands of tiny plankton.
A note on using this word
Plankton includes both plant-like phytoplankton and animal-like zooplankton, unified by their inability to swim against currents.
Words with a similar meaning
This term is best learned through its definition and examples.
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Make it your own
Write a sentence using “plankton”, then compare your use with the examples above.
Your draft stays on this page and is not sent anywhere.