neuston(redirected from neustonic)
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The collection of microscopic and small organisms that inhabit the region on or just below the surface of a body of water.
1. (Zoology) organisms, similar to plankton, that float on the surface film of open water
2. (Zoology) 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]
neus•ton(ˈnu stɒn, ˈnyu-)
the aggregate of minute aquatic organisms that float or swim in the surface film of a body of water.
[1925–30; < German (1917) < Greek, n. use of neuter of neustós swimming, verbal adj. of neîn to swim]
neus′tic, neus•ton′ic, adj.