phytoplankter

Related to phytoplankter: runted

phy·to·plank·ter

P5305650 (fī′tō-plăngk′tər)n. One of the organisms constituting phytoplankton.

phytoplankter

(ˌfaɪtəʊˈplæŋktə) n (Biology) a minute organism which constitutes part of phytoplankton