Plankton

Pronunciation: /ˈplæŋktən/

Plankton (noun)

  1. Small living things that drift in water or air and cannot move strongly against currents.
  2. The group of drifting organisms in seas and lakes that many small animals eat.

Examples

  • Plankton drifts in the water and moves with currents.
  • The scientist studied plankton under a microscope.