nan·no·plank·ton also nan·o·plank·ton (nān'ə-plāngk'tən) n. Plankton of minute size, especially plankton composed of organisms measuring from 2 to 20 micrometers.
nan·o·plank·ton (nān'ə-plāngk'tən) n. Variant of nannoplankton.
nannoplankton also nanoplankton (nān'ə-plāngk'tən) Pronunciation Key
Plankton of minute size, especially plankton composed of organisms measuring from 2 to 20 micrometers.