plankton
1. [ noun ] (biology) the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water
Related terms: life_form aggregate phytoplankton zooplankton copepod
Similar spelling:   planktonic
  plank
  plank_down
  planking
  plunk
  plonk
  planakeen
  planck
  Planas
  planoconvex
  palankeen