plankton
plangk tuhn
- n the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water
- Those same conditions have also created an abundance of plankton a cornucopia of nutrition that the shellfish have gorged on.
- The seas of the world are inhabited by innumerable billions of tiny, drifting organisms called plankton.
- Plankton, by contrast, are preserved in ocean sediments.