- Plankton are all of the small microscopic organisms that float in the ocean, sea or other bodies of salt or fresh water.
Small crustaceans in the Atlantic ocean, along with eggs, larvae and protozoans are an example of plankton.
Origin of planktonGerman ; from Classical Greek planktos, wandering ; from plazesthai, to wander, akin to planan: see planet
Origin of planktonGerman, from Greek, neuter of planktos, wandering, from plazein, to turn aside; see plāk-2 in Indo-European roots.
(usually uncountable, plural planktons)
From German Plankton, coined by Viktor Hensen and derived from Ancient Greek Ï€Î»Î±Î³ÎºÏ„ÏŒÏ‚ (planktos, “drifter").