| AEROPLANKTONS | • AEROPLANKTON n. minute organisms carried in the air. |
| BACKTRACKINGS | • backtrackings n. Plural of backtracking. • BACKTRACKING n. the act of backtracking. |
| BREAKTHROUGHS | • breakthroughs n. Plural of breakthrough. • BREAKTHROUGH n. an offensive thrust that penetrates and carries beyond a defensive line in warfare. |
| COCKTHROWINGS | • cock␣throwings n. Plural of cock throwing. • COCKTHROWING n. the old sport of throwing sticks at a cock. |
| CRYOPLANKTONS | • CRYOPLANKTON n. minute organisms, esp. algae, living in ice, snow, or icy water. |
| HALIPLANKTONS | • HALIPLANKTON n. plankton living in sea water. |
| HOLOPLANKTONS | • HOLOPLANKTON n. organisms which remain as plankton throughout their whole life cycle. |
| MEROPLANKTONS | • meroplanktons n. Plural of meroplankton. • MEROPLANKTON n. plankton consisting of certain larvae that do not spend all their life as plankton. |
| MICROPLANKTON | • microplankton n. Microscopic zooplankton. • MICROPLANKTON n. very small plankton. |
| NANNOPLANKTON | • nannoplankton n. Alternative form of nanoplankton. • NANNOPLANKTON n. very small plankton, also NANOPLANKTON. |
| NANOPLANKTONS | • nanoplanktons n. Plural of nanoplankton. • NANOPLANKTON n. very small plankton, also NANNOPLANKTON. |
| PHYTOPLANKTER | • phytoplankter n. A single phytoplankton organism. • PHYTOPLANKTER n. a planktonic plant. |
| PHYTOPLANKTON | • phytoplankton n. Plankton, especially those small in size, that obtain energy by photosynthesis. • PHYTOPLANKTON n. vegetable plankton, that includes diatoms, desmids, and dinoflagellates. |
| SPECKTIONEERS | • specktioneers n. Plural of specktioneer. • SPECKTIONEER n. (Dutch) the chief harpooner on a whaler, who directs the flensing of the whale, also SPECKSIONEER. |
| ZOOPLANKTONIC | • zooplanktonic adj. Of or pertaining to zooplankton. • ZOOPLANKTONIC adj. relating to zooplankton. |