Noun: phytoplankton ,fI-tow'plangk-tun or 'fI-tow,plangk-tun
- Photosynthetic or plant constituent of plankton; mainly unicellular algae
"Phytoplankton produce much of the world's oxygen through photosynthesis"
Derived forms: phytoplanktons
Type of: flora, plant, plant life
Part of: plankton
Encyclopedia: Phytoplankton