- the aggregate of minute aquatic organisms that float or swim in the surface film of a body of water.
Origin of neuston
1925–30; < German; noun use of neuter of Greek neustós swimming, verbid of neîn to swim
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- organisms, similar to plankton, that float on the surface film of open water
- the ecosystem of the surface film of open water in which such organisms as copepods graze on tiny flagellates, bacteria, etc
C20: via German from Greek neustos swimming, from nein to swim