plankton

play
noun plank·ton \ˈplaŋ(k)-tən, -ˌtän\

Definition of plankton

  1. :  the passively floating or weakly swimming usually minute animal and plant life of a body of water

planktonic

play \plaŋ(k)-ˈtä-nik\ adjective

Examples of plankton in a sentence

  1. fish that feed mainly on plankton

Origin and Etymology of plankton

German, from Greek, neuter of planktos drifting, from plazesthai to wander, drift, middle voice of plazein to drive astray; akin to Latin plangere to strike — more at plaint


First Known Use: 1889


PLANKTON Defined for English Language Learners

plankton

play
noun plank·ton \ˈplaŋ(k)-tən, -ˌtän\

Definition of plankton for English Language Learners

  • : the very small animal and plant life in an ocean, lake, etc.


PLANKTON Defined for Kids

plankton

play
noun plank·ton \ˈplaŋk-tən\

Definition of plankton for Students

  1. :  the tiny floating plants and animals of a body of water


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