Why was "tantrum" trending last week?


[noo-ston, nyoo-] /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; noun use of neuter of Greek neustós swimming, verbid of neîn to swim
Related forms
neustic, neustonic
[noo-ston-ik, nyoo-] /nuˈstɒn ɪk, nyu-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
British Dictionary definitions for neustic


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
Derived Forms
neustonic, adjective
Word Origin
C20: via German from Greek neustos swimming, from nein to swim
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Encyclopedia Article for neustic


group of organisms found on top of or attached to the underside of the surface film of water. The neuston includes insects such as whirligig beetles and water striders, some spiders and protozoans, and occasional worms, snails, insect larvae, and hydras. It is distinguished from the plankton, which only incidentally becomes associated with the surface film

Learn more about neuston with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Difficulty index for neuston

Few English speakers likely know this word

Word Value for neustic

Scrabble Words With Friends